story: [Jason]'s daughter, [Lisa], was busy caring for her son, [Scott], and could n't take his call.
query: ('Jason', 'Scott')
clean_story: [Jason]'s daughter, [Lisa], was busy caring for her son, [Scott], and could n't take his call.
proof_state: [{('Jason', 'grandson', 'Scott'): [('Jason', 'daughter', 'Lisa'), ('Lisa', 'son', 'Scott')]}]