akshay107/FOLIO-fol · Datasets at Hugging Face

data stringlengths 12 378	fol stringlengths 8 885
If Moonwatch is a mechanical or battery-powered watch, then Moonwatch is not a smartwatch.	MechanicalWatch(moonwatch)) ∨ BatteryPoweredWatch(moonwatch) → ¬SmartWatch(moonwatch)
If a person can distinguish the taste of different condiments, then they can also use different condiments for cooking.	∀x (Person(x) ∧ Can(x, distinguishTheTasteOfDifferentCondiments) → Can(x, useDifferentCondimentsToCook))
People who have a talent of cooking can distinguish the taste of different condiments.	∀x (Person(x) ∧ Has(x, talentOfCooking) → Can(x, distinguishTheTasteOfDifferentCondiments))
Only people with the talent of cooking can make delicious meals.	∀x ∀y (CanMake(x, y) ∧ Meal(y) ∧ Delicious(y) ∧ Person(x) → Has(x, talentOfCooking))
If the meal is popular at the party, then it is delicious.	∀x ∀y (Meal(y) ∧ PopularAt(y, party) → Delicious(y))
John can make meals which are popular at the party.	∃x (Person(john) ∧ MakeMeal(john, x) ∧ Meal(x) ∧ PopularAt(x, party))
John cannot use different condiments for cooking.	¬Can(john, useDifferentCondimentsToCook)
For a country, if effective monetary policy is possible, it must have successful inflation control and a strong national currency.	∀x (Country(x) ∧ PossibleEffectiveMonetaryPolicy(x) → SuccessfulInflationControl(x) ∧ StongNationalCurrency(x))
A country cannot simultaneously regulate the exchange rate and successfully control inflation.	¬(∃x (Country(x) ∧ SuccessfulInflationControl(x) ∧ RegulateExchangeRate(x)))
The introduction of an embargo on foreign trade goods in a country leads to a sharp decrease in exports.	∀x (IntroductionOfOn(x, embargo, foreightTradeGoods) → SharpDecreasesInExport(x))
If exports fall sharply, this country's national currency cannot be strong.	∀x (SharpDecreasesInExport(x) → ¬StongNationalCurrency(x))
Inflation control is required to have a strong national currency.	∀x (InflationControl(x) → StongNationalCurrency(x))
There is an embargo on Russian foreign trade goods.	IntroductionOfOn(russia, embargo, foreightTradeGoods)
In Russia, an effective monetary policy is possible.	PossibleEffectiveMonetaryPolicy(russia)
Video Gag is a French television series that airs weekly.	FrenchTelevision(videoGag) ∧ AirWeekly(videoGag)
Video Gag airs on the French broadcast channel TF1.	AirOn(videoGag, frenchBroadcastChannelTF1)
If viewers send funny videos to the French broadcast channel TF1, then Video Gag airs them weekly.	∀x (Funny(x) ∧ Video(x) ∧ SendIn(viewers, x, frenchBroadcastChannelTF1) → AirWeekly(x) ) ∧ AirOn(videoGag, x))
All videos aired on Video Gag are in French.	∀x (Video(x) ∧ AirOn(videoGag, x) → In(x, french))
Viewers send funny videos to the French broadcast channel TF1 that are in French.	∃x (SendIn(viewers, x, frenchBroadcastChannelTF1) ∧ French(x))
Viewers send funny videos to the French broadcast channel that are in English.	∃x (SendIn(viewers, x, frenchBroadcastChannelTF1) ∧ English(x))
All phones are things.	∀x (Phone(x) → Thing(x))
All cell phones are phones.	∀x (Cellphone(x) → Phone(x))
All iPhones are cell phones.	∀x (Iphone(x) → Cellphone(x))
All employees are wage earners.	∀x (Employee(x) → WageEarner(x))
All wage earners are human.	∀x (WageEarner(x) → Human(x))
Jack is either an employee or a wage earner.	Employee(jack) ⊕ WageEarner(jack)
Jack is either a human or a phone.	Human(jack) ⊕ Phone(jack)
Jack is a thing.	Thing(jack)
Jack is not a thing.	¬Thing(jack)
Jack is a thing and an iPhone.	Thing(jack) ∧ Iphone(jack)
Jack is not both a thing and an iPhone.	¬(Thing(jack) ∧ Iphone(jack))
All iPhones are electronic.	∀x (IPhone(x) → Electronic(x))
Some phones are iPhones.	∃x ∃y (Phone(x) ∧ Phone(y) ∧ IPhone(x) ∧ IPhone(y) ∧ ¬(x=y))
No phones are electronic.	∀x (Phone(x) → ¬Electronic(x))
The Metropolitan Museum of Art is a museum in NYC.	Museum(metropolitanMuseumOfArt) ∧ In(metropolitanMuseumOfArt, nYC)
Whitney Museum of American Art is a museum in NYC.	Museum(whitneyMuseumOfAmericanArt) ∧ In(metropolitanMuseumOfArt, nYC)
The Museum of Modern Art (MoMA) is a museum in NYC.	Museum(museumOfModernArt) ∧ In(museumOfModernArt, nYC)
The Metropolitan Museum of Art includes Byzantine and Islamic Art.	Include(metropolitanMuseumOfArt, byzantineArt) ∧ Include(metropolitanMuseumOfArt, islamicArt)
Whitney Museum of American Art includes American art.	Include(whitneyMuseumOfAmericanArt, americanArt)
A museum in NYC includes Byzantine and Islamic Art.	∃x (Museum(x) ∧ In(x, nYC) ∧ Include(x, byzantineArt) ∧ Include(x, islamicArt))
A museum in NYC includes American art.	∃x (Museum(x) ∧ In(x, nYC) ∧ Include(x, americanArt))
A museum in NYC includes Greek art.	∃x (Museum(x) ∧ In(x, nYC) ∧ Include(x, greekArt))
There's a person in Benji's family who likes eating cheese or is a francophile.	∃x (InBenjiSFamily(x) → (LikeEating(x, cheese) ∨ Francophile(x)))
There is no francophile in Benji's family whose favorite country is Spain.	∀x ((InBenjiSFamily(x) ∧ Francophile(x)) → ¬Favor(x, spain))
There is a person in Benji's family who likes eating cheese or whose favorite country is Spain.	∃x (InBenjiSFamily(x) ∧ (Favor(x, spain) ∨ LikeEating(x, cheese)))
Fabien is in Benji's family and does not both study Spanish and also like eating cheese.	InBenjiSFamily(fabien) ∧ (¬(LikeEating(fabien, cheese) ∧ Study(fabien, spanish)))
Fabien studies Spanish.	Study(fabien, spanish)
Fabien is a person who likes eating cheese.	LikeEating(fabien, cheese)
If Fabien is either a person who likes eating cheese or a francophile, then Fabien is neither a person who studies Spanish nor a person who is a francophile.	(LikeEating(fabien, cheese) ⊕ Francophile(fabien)) → (¬(Study(fabien, spanish) ∨ Francophile(fabien)))
If Fabien is a person who likes Spain as their favorite country or is a francophile, then Fabien is either a person who studies Spanish or a person who likes Spain as their favorite country.	(Favor(fabien, spain) ∨ Francophile(fabien)) → (Study(fabien, spanish) ⊕ Favor(fabien, spain))
Gasteren is a village located in the province of Drenthe.	Village(gasteren) ∧ Province(drenthe) ∧ In(gasteren, drenthe)
Drenthe is a Dutch province.	Province(drenthe) ∧ In(drenthe, netherlands)
No cities are villages.	∀x (City(x) → ¬Village(x))
The population of a village in Drenthe was 155 people.	∃x (Population(x, num155) ∧ Village(x) ∧ In(x, drenthe))
Gasteren is a Dutch village.	Village(gasteren) ∧ In(gasteren, netherlands)
Gasteren is a city.	City(gasteren)
Gasteren has a population of 155.	Population(gasteren, num155)
The only types of mammals that lay eggs are either platypuses or echidnas.	∀x ((Mammal(x) ∧ LayEgg(x)) → (Platypus(x) ⊕ Echidna(x)))
Platypuses are not hyrax.	∀x (Platypuses(x) → ¬Hyrax(x))
Echidnas are not hyrax.	∀x (Echidnas(x) → ¬Hyrax(x))
No mammals are invertebrates.	∀x (Mammal(x) → ¬Invertebrate(x))
All animals are either vertebrates or invertebrates.	∀x (Animal(x) → (Vertebrate(x) ∨ Invertebrate(x)))
Mammals are animals.	∀x (Mammal(x) → Animal(x))
Hyraxes are mammals.	∀x (Hyrax(x) → Mammal(x))
Grebes lay eggs.	∀x (Grebes(x) → LayEgg(x))
Grebes are not platypuses and also not echidnas.	∀x (Grebes(x) → (¬Platypuses(x) ∧ ¬Echidnas(x)))
Hyraxes lay eggs.	∃x (Hyrax(x) ∧ LayEgg(x))
Grebes are not mammals.	∀x (Grebes(x) → ¬Mammal(x))
Platypuses are vertebrates.	∀x (Platypuses(x) → Vertebrate(x))
Bobby Flynn is a singer-songwriter.	Singer(bobbyFlynn) ∧ SongWriter(bobbyFlynn)
Bobby Flynn finished 7th while competing on Australian Idol.	FinishesIn(bobbyFlynn, number7) ∧ CompetesOnAustralianIdol(bobbyFlynn)
Australian Idol competitors are Australian citizens.	∀x (CompetesOnAustralianIdol(x) → AustralianCitizen(x))
The Omega Three band made a nationwide tour in 2007.	NationWideTourIn(theOmegaThreeBand, year2007)
Bobby Flynn is a member of The Omega Three band.	Member(bobbyFlynn, theOmegaThreeBand)
Bobby Flynn was born in Queensland.	BornIn(bobbyFlynn, queensland)
Bobby Flynn is an Australian citizen.	AustralianCitizen(bobbyFlynn)
Bobby Flynn flew to America in 2007.	FlewToIn(bobbyFlynn, america, year2007)
Bobby Flynn was born in Queens.	BornIn(bobbyFlynn, queens)
All proteins are organic compounds.	∀x (Protein(x) → OrganicCompound(x))
All enzymes are organic compounds.	∀x (Enzyme(x) → OrganicCompound(x))
All enzymes are proteins.	∀x (Enzyme(x) → Protein(x))
Maggie Friedman is an American screenwriter and producer.	American(maggieFriedman) ∧ Screenwriter(maggieFriedman) ∧ Producer(maggieFriedman)
Maggie Friedman was the showrunner and executive producer of the lifetime television series Witches of East End.	ShowRunnerOf(maggieFriedman, witchesOfEastEnd) ∧ ExecutiveProducerOf(maggieFriedman, witchesOfEastEnd) ∧ LifetimeTelevisionSeries(maggieFriedman)
Witches of East End is a fantasy-drama series.	FantasyDrama(witchesOfEastEnd) ∧ Series(witchesOfEastEnd)
Maggie Friedman produced and developed Eastwick.	Produces(maggieFriedman, eastwick) ∧ Develops(maggieFriedman, eastwick)
Eastwick is a series by ABC.	Series(eastwick) ∧ AiredOn(eastwick, aBC)
There is a series by ABC that was developed by the showrunner of Witches of East End.	∃x ∃y (Series(x) ∧ AiredOn(x, aBC) ∧ Develops(y, x) ∧ ShowRunnerOf(y, witchesOfEastEnd))
No series by ABC was developed by the showrunner of Witches of East End.	∀x (Series(x) ∧ AiredOn(x, aBC) ∧ ∃y(ShowRunnerOf(y, witchesOfEastEnd)) → ¬Develops(y, x))
Maggie Friedman developed Witches of East End.	Develops(maggieFriedman, witchesOfEastEnd)
Evangelos Eleftheriou is a Greek electrical engineer.	Greek(evangelosEleftheriou) ∧ ElectricalEngineer(evangelosEleftheriou)
Evangelos Eleftheriou worked for IBM in Zurich.	WorkForIn(evangelosEleftheriou, iBM, zurich)
If a company has employees working for them somewhere, then they have an office there.	∀x ∀x ∀z (Company(x) ∧ WorkForIn(y, x, z) → HaveOfficeIn(x, z))
IBM is a company.	Company(ibm)
IBM has an office in London or Zurich or both.	HaveOfficeIn(ibm, london) ∨ HaveOfficeIn(ibm, zurich)
No Greeks have worked for IBM.	∀x (Greek(x) → ¬WorkFor(x, ibm))
Boney M. had several German #1 singles.	∃x (Song(x) ∧ By(x, boneym,) ∧ Number1GermanSingle(x))
"Hooray! Hooray! It's a Holi-Holiday!" was a big hit all over Europe.	Song(hoorayHoorayItsAHoliHoliday) ∧ HitAllOverEurope(hoorayHoorayItsAHoliHoliday)
"Hooray! Hooray! It's a Holi-Holiday!" was not in German #1 singles.	Song(hoorayHoorayItsAHoliHoliday) ∧ ¬Number1GermanSingle(hoorayHoorayItsAHoliHoliday)
A song that peaks below #1 on the german charts is also a song that is not the #1 single in Germany.	∀x (PeakBelowOn(x, number1, germanChart) → ¬Number1GermanSingle(x))
"Hooray! Hooray! It's a Holi-Holiday!" was the #1 hit in Germany.	Song(hoorayHoorayItsAHoliHoliday) ∧ Number1GermanSingle(hoorayHoorayItsAHoliHoliday)

If Moonwatch is a mechanical or battery-powered watch, then Moonwatch is not a smartwatch.

MechanicalWatch(moonwatch)) ∨ BatteryPoweredWatch(moonwatch) → ¬SmartWatch(moonwatch)

If a person can distinguish the taste of different condiments, then they can also use different condiments for cooking.

∀x (Person(x) ∧ Can(x, distinguishTheTasteOfDifferentCondiments) → Can(x, useDifferentCondimentsToCook))

People who have a talent of cooking can distinguish the taste of different condiments.

∀x (Person(x) ∧ Has(x, talentOfCooking) → Can(x, distinguishTheTasteOfDifferentCondiments))

Only people with the talent of cooking can make delicious meals.

∀x ∀y (CanMake(x, y) ∧ Meal(y) ∧ Delicious(y) ∧ Person(x) → Has(x, talentOfCooking))

If the meal is popular at the party, then it is delicious.

∀x ∀y (Meal(y) ∧ PopularAt(y, party) → Delicious(y))

John can make meals which are popular at the party.

∃x (Person(john) ∧ MakeMeal(john, x) ∧ Meal(x) ∧ PopularAt(x, party))

John cannot use different condiments for cooking.

¬Can(john, useDifferentCondimentsToCook)

For a country, if effective monetary policy is possible, it must have successful inflation control and a strong national currency.

∀x (Country(x) ∧ PossibleEffectiveMonetaryPolicy(x) → SuccessfulInflationControl(x) ∧ StongNationalCurrency(x))

A country cannot simultaneously regulate the exchange rate and successfully control inflation.

¬(∃x (Country(x) ∧ SuccessfulInflationControl(x) ∧ RegulateExchangeRate(x)))

The introduction of an embargo on foreign trade goods in a country leads to a sharp decrease in exports.

∀x (IntroductionOfOn(x, embargo, foreightTradeGoods) → SharpDecreasesInExport(x))

If exports fall sharply, this country's national currency cannot be strong.

∀x (SharpDecreasesInExport(x) → ¬StongNationalCurrency(x))

Inflation control is required to have a strong national currency.

∀x (InflationControl(x) → StongNationalCurrency(x))

There is an embargo on Russian foreign trade goods.

IntroductionOfOn(russia, embargo, foreightTradeGoods)

In Russia, an effective monetary policy is possible.

PossibleEffectiveMonetaryPolicy(russia)

Video Gag is a French television series that airs weekly.

FrenchTelevision(videoGag) ∧ AirWeekly(videoGag)

Video Gag airs on the French broadcast channel TF1.

AirOn(videoGag, frenchBroadcastChannelTF1)

If viewers send funny videos to the French broadcast channel TF1, then Video Gag airs them weekly.

∀x (Funny(x) ∧ Video(x) ∧ SendIn(viewers, x, frenchBroadcastChannelTF1) → AirWeekly(x) ) ∧ AirOn(videoGag, x))

All videos aired on Video Gag are in French.

∀x (Video(x) ∧ AirOn(videoGag, x) → In(x, french))

Viewers send funny videos to the French broadcast channel TF1 that are in French.

∃x (SendIn(viewers, x, frenchBroadcastChannelTF1) ∧ French(x))

Viewers send funny videos to the French broadcast channel that are in English.

∃x (SendIn(viewers, x, frenchBroadcastChannelTF1) ∧ English(x))

All phones are things.

∀x (Phone(x) → Thing(x))

All cell phones are phones.

∀x (Cellphone(x) → Phone(x))

All iPhones are cell phones.

∀x (Iphone(x) → Cellphone(x))

All employees are wage earners.

∀x (Employee(x) → WageEarner(x))

All wage earners are human.

∀x (WageEarner(x) → Human(x))

Jack is either an employee or a wage earner.

Employee(jack) ⊕ WageEarner(jack)

Jack is either a human or a phone.

Human(jack) ⊕ Phone(jack)

Jack is a thing.

Thing(jack)

Jack is not a thing.

¬Thing(jack)

Jack is a thing and an iPhone.

Thing(jack) ∧ Iphone(jack)

Jack is not both a thing and an iPhone.

¬(Thing(jack) ∧ Iphone(jack))

All iPhones are electronic.

∀x (IPhone(x) → Electronic(x))

Some phones are iPhones.

∃x ∃y (Phone(x) ∧ Phone(y) ∧ IPhone(x) ∧ IPhone(y) ∧ ¬(x=y))

No phones are electronic.

∀x (Phone(x) → ¬Electronic(x))

The Metropolitan Museum of Art is a museum in NYC.

Museum(metropolitanMuseumOfArt) ∧ In(metropolitanMuseumOfArt, nYC)

Whitney Museum of American Art is a museum in NYC.

Museum(whitneyMuseumOfAmericanArt) ∧ In(metropolitanMuseumOfArt, nYC)

The Museum of Modern Art (MoMA) is a museum in NYC.

Museum(museumOfModernArt) ∧ In(museumOfModernArt, nYC)

The Metropolitan Museum of Art includes Byzantine and Islamic Art.

Include(metropolitanMuseumOfArt, byzantineArt) ∧ Include(metropolitanMuseumOfArt, islamicArt)

Whitney Museum of American Art includes American art.

Include(whitneyMuseumOfAmericanArt, americanArt)

A museum in NYC includes Byzantine and Islamic Art.

∃x (Museum(x) ∧ In(x, nYC) ∧ Include(x, byzantineArt) ∧ Include(x, islamicArt))

A museum in NYC includes American art.

∃x (Museum(x) ∧ In(x, nYC) ∧ Include(x, americanArt))

A museum in NYC includes Greek art.

∃x (Museum(x) ∧ In(x, nYC) ∧ Include(x, greekArt))

There's a person in Benji's family who likes eating cheese or is a francophile.

∃x (InBenjiSFamily(x) → (LikeEating(x, cheese) ∨ Francophile(x)))

There is no francophile in Benji's family whose favorite country is Spain.

∀x ((InBenjiSFamily(x) ∧ Francophile(x)) → ¬Favor(x, spain))

There is a person in Benji's family who likes eating cheese or whose favorite country is Spain.

∃x (InBenjiSFamily(x) ∧ (Favor(x, spain) ∨ LikeEating(x, cheese)))

Fabien is in Benji's family and does not both study Spanish and also like eating cheese.

InBenjiSFamily(fabien) ∧ (¬(LikeEating(fabien, cheese) ∧ Study(fabien, spanish)))

Fabien studies Spanish.

Study(fabien, spanish)

Fabien is a person who likes eating cheese.

LikeEating(fabien, cheese)

If Fabien is either a person who likes eating cheese or a francophile, then Fabien is neither a person who studies Spanish nor a person who is a francophile.

(LikeEating(fabien, cheese) ⊕ Francophile(fabien)) → (¬(Study(fabien, spanish) ∨ Francophile(fabien)))

If Fabien is a person who likes Spain as their favorite country or is a francophile, then Fabien is either a person who studies Spanish or a person who likes Spain as their favorite country.

(Favor(fabien, spain) ∨ Francophile(fabien)) → (Study(fabien, spanish) ⊕ Favor(fabien, spain))

Gasteren is a village located in the province of Drenthe.

Village(gasteren) ∧ Province(drenthe) ∧ In(gasteren, drenthe)

Drenthe is a Dutch province.

Province(drenthe) ∧ In(drenthe, netherlands)

No cities are villages.

∀x (City(x) → ¬Village(x))

The population of a village in Drenthe was 155 people.

∃x (Population(x, num155) ∧ Village(x) ∧ In(x, drenthe))

Gasteren is a Dutch village.

Village(gasteren) ∧ In(gasteren, netherlands)

Gasteren is a city.

City(gasteren)

Gasteren has a population of 155.

Population(gasteren, num155)

The only types of mammals that lay eggs are either platypuses or echidnas.

∀x ((Mammal(x) ∧ LayEgg(x)) → (Platypus(x) ⊕ Echidna(x)))

Platypuses are not hyrax.

∀x (Platypuses(x) → ¬Hyrax(x))

Echidnas are not hyrax.

∀x (Echidnas(x) → ¬Hyrax(x))

No mammals are invertebrates.

∀x (Mammal(x) → ¬Invertebrate(x))

All animals are either vertebrates or invertebrates.

∀x (Animal(x) → (Vertebrate(x) ∨ Invertebrate(x)))

Mammals are animals.

∀x (Mammal(x) → Animal(x))

Hyraxes are mammals.

∀x (Hyrax(x) → Mammal(x))

Grebes lay eggs.

∀x (Grebes(x) → LayEgg(x))

Grebes are not platypuses and also not echidnas.

∀x (Grebes(x) → (¬Platypuses(x) ∧ ¬Echidnas(x)))

Hyraxes lay eggs.

∃x (Hyrax(x) ∧ LayEgg(x))

Grebes are not mammals.

∀x (Grebes(x) → ¬Mammal(x))

Platypuses are vertebrates.

∀x (Platypuses(x) → Vertebrate(x))

Bobby Flynn is a singer-songwriter.

Singer(bobbyFlynn) ∧ SongWriter(bobbyFlynn)

Bobby Flynn finished 7th while competing on Australian Idol.

FinishesIn(bobbyFlynn, number7) ∧ CompetesOnAustralianIdol(bobbyFlynn)

Australian Idol competitors are Australian citizens.

∀x (CompetesOnAustralianIdol(x) → AustralianCitizen(x))

The Omega Three band made a nationwide tour in 2007.

NationWideTourIn(theOmegaThreeBand, year2007)

Bobby Flynn is a member of The Omega Three band.

Member(bobbyFlynn, theOmegaThreeBand)

Bobby Flynn was born in Queensland.

BornIn(bobbyFlynn, queensland)

Bobby Flynn is an Australian citizen.

AustralianCitizen(bobbyFlynn)

Bobby Flynn flew to America in 2007.

FlewToIn(bobbyFlynn, america, year2007)

Bobby Flynn was born in Queens.

BornIn(bobbyFlynn, queens)

All proteins are organic compounds.

∀x (Protein(x) → OrganicCompound(x))

All enzymes are organic compounds.

∀x (Enzyme(x) → OrganicCompound(x))

All enzymes are proteins.

∀x (Enzyme(x) → Protein(x))

Maggie Friedman is an American screenwriter and producer.

American(maggieFriedman) ∧ Screenwriter(maggieFriedman) ∧ Producer(maggieFriedman)

Maggie Friedman was the showrunner and executive producer of the lifetime television series Witches of East End.

ShowRunnerOf(maggieFriedman, witchesOfEastEnd) ∧ ExecutiveProducerOf(maggieFriedman, witchesOfEastEnd) ∧ LifetimeTelevisionSeries(maggieFriedman)

Witches of East End is a fantasy-drama series.

FantasyDrama(witchesOfEastEnd) ∧ Series(witchesOfEastEnd)

Maggie Friedman produced and developed Eastwick.

Produces(maggieFriedman, eastwick) ∧ Develops(maggieFriedman, eastwick)

Eastwick is a series by ABC.

Series(eastwick) ∧ AiredOn(eastwick, aBC)

There is a series by ABC that was developed by the showrunner of Witches of East End.

∃x ∃y (Series(x) ∧ AiredOn(x, aBC) ∧ Develops(y, x) ∧ ShowRunnerOf(y, witchesOfEastEnd))

No series by ABC was developed by the showrunner of Witches of East End.

∀x (Series(x) ∧ AiredOn(x, aBC) ∧ ∃y(ShowRunnerOf(y, witchesOfEastEnd)) → ¬Develops(y, x))

Maggie Friedman developed Witches of East End.

Develops(maggieFriedman, witchesOfEastEnd)

Evangelos Eleftheriou is a Greek electrical engineer.

Greek(evangelosEleftheriou) ∧ ElectricalEngineer(evangelosEleftheriou)

Evangelos Eleftheriou worked for IBM in Zurich.

WorkForIn(evangelosEleftheriou, iBM, zurich)

If a company has employees working for them somewhere, then they have an office there.

∀x ∀x ∀z (Company(x) ∧ WorkForIn(y, x, z) → HaveOfficeIn(x, z))

IBM is a company.

Company(ibm)

IBM has an office in London or Zurich or both.

HaveOfficeIn(ibm, london) ∨ HaveOfficeIn(ibm, zurich)

No Greeks have worked for IBM.

∀x (Greek(x) → ¬WorkFor(x, ibm))

Boney M. had several German #1 singles.

∃x (Song(x) ∧ By(x, boneym,) ∧ Number1GermanSingle(x))

"Hooray! Hooray! It's a Holi-Holiday!" was a big hit all over Europe.

Song(hoorayHoorayItsAHoliHoliday) ∧ HitAllOverEurope(hoorayHoorayItsAHoliHoliday)

"Hooray! Hooray! It's a Holi-Holiday!" was not in German #1 singles.

Song(hoorayHoorayItsAHoliHoliday) ∧ ¬Number1GermanSingle(hoorayHoorayItsAHoliHoliday)

A song that peaks below #1 on the german charts is also a song that is not the #1 single in Germany.

∀x (PeakBelowOn(x, number1, germanChart) → ¬Number1GermanSingle(x))

"Hooray! Hooray! It's a Holi-Holiday!" was the #1 hit in Germany.

Song(hoorayHoorayItsAHoliHoliday) ∧ Number1GermanSingle(hoorayHoorayItsAHoliHoliday)