story: [Paul]'s son [Fletcher] and [Fletcher]'s grandmother [Michelle] are playing cards. [Claire] is one of my favorite students. She is the younger sister of [Fletcher], who I taught last year,
query: ('Paul', 'Michelle')
clean_story: [Paul]'s son [Fletcher] and [Fletcher]'s grandmother [Michelle] are playing cards.
proof_state: [{('Paul', 'mother', 'Michelle'): [('Paul', 'son', 'Fletcher'), ('Fletcher', 'grandmother', 'Michelle')]}]