If there are two dogs, and one of them is indoors while the other one is outdoors.
return dogs ;return #1 that are indoors ;return #1 that are outdoors ;return number of  #2 ;return number of  #3 ;return if  #4 is equal to  one ;return if  #5 is equal to  one ;return if  both  #6 and #7 are true
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']