story: [Jason] is coaching his daughter [Lisa]'s softball team this summer. [Lisa] likes taking her son [Lewis] to school.
query: ('Jason', 'Lewis')
clean_story: [Jason] is coaching his daughter [Lisa]'s softball team this summer. [Lisa] likes taking her son [Lewis] to school.
proof_state: [{('Jason', 'grandson', 'Lewis'): [('Jason', 'daughter', 'Lisa'), ('Lisa', 'son', 'Lewis')]}]