story: [Reta] and her sister [May] have never been close. Still, they love each other because they are family. [Michael] has been trying all day to reach his daughter [May] on the phone. [Molly] has a granddaughter called [Reta] who is her favourite.
query: ('Michael', 'Molly')
clean_story: [Michael] has been trying all day to reach his daughter [May] on the phone. [Reta] and her sister [May] have never been close. Still, they love each other because they are family. [Molly] has a granddaughter called [Reta] who is her favourite.
proof_state: [{('Michael', 'mother', 'Molly'): [('Michael', 'daughter', 'Reta'), ('Reta', 'grandmother', 'Molly')]}, {('Michael', 'daughter', 'Reta'): [('Michael', 'daughter', 'May'), ('May', 'sister', 'Reta')]}]