story: [Teresa] played mini golf with her grandfather, [Stanley], and her mother, [Sandra]. [Alan] loves to play baseball with his dad, [Stanley].
query: ('Sandra', 'Alan')
clean_story: [Teresa] played mini golf with her grandfather, [Stanley], and her mother, [Sandra]. [Alan] loves to play baseball with his dad, [Stanley].
proof_state: [{('Sandra', 'brother', 'Alan'): [('Sandra', 'father', 'Stanley'), ('Stanley', 'son', 'Alan')]}, {('Sandra', 'father', 'Stanley'): [('Sandra', 'daughter', 'Teresa'), ('Teresa', 'grandfather', 'Stanley')]}]