story: [Annie] asked [Stanley], her grandfather, for some candy. [Valerie] was unhappy with her son, [Clarence], and his grades. She enlisted a tutor to help him. [Clarence] went to visit his sister [Annie] to the hospital last week.
query: ('Valerie', 'Stanley')
clean_story: [Valerie] was unhappy with her son, [Clarence], and his grades. She enlisted a tutor to help him. [Clarence] went to visit his sister [Annie] to the hospital last week. [Annie] asked [Stanley], her grandfather, for some candy.
proof_state: [{('Valerie', 'father', 'Stanley'): [('Valerie', 'daughter', 'Annie'), ('Annie', 'grandfather', 'Stanley')]}, {('Valerie', 'daughter', 'Annie'): [('Valerie', 'son', 'Clarence'), ('Clarence', 'sister', 'Annie')]}]