story: [William] and his father [Christopher] went to the golf course in town on Saturday and had a great time. [Jason] is retired and likes to ride his golf cart around the beach. His grandson [William] stayed with him all summer and he loved riding in the golf cart.
query: ('Christopher', 'Jason')
clean_story: [William] and his father [Christopher] went to the golf course in town on Saturday and had a great time. [Jason] is retired and likes to ride his golf cart around the beach. His grandson [William] stayed with him all summer and he loved riding in the golf cart.
proof_state: [{('Christopher', 'father', 'Jason'): [('Christopher', 'son', 'William'), ('William', 'grandfather', 'Jason')]}]