story: [David] was so excited to give his mother, [Lisa], a really nice card for Mother's Day. He loves her very much. [Sheila] loves her brother [David].
query: ('Sheila', 'Lisa')
clean_story: [Sheila] loves her brother [David]. [David] was so excited to give his mother, [Lisa], a really nice card for Mother's Day. He loves her very much.
proof_state: [{('Sheila', 'mother', 'Lisa'): [('Sheila', 'brother', 'David'), ('David', 'mother', 'Lisa')]}]