story: [James] and her mom, [Michelle], had a big fight. [Michelle]'s son, [Otto], refused to get involved. [Michelle] sat anxiously in the airport terminal, waiting to see her son [Paul] walk through the gate.
query: ('James', 'Otto')
clean_story: [James] and her mom, [Michelle], had a big fight. [Michelle]'s son, [Otto], refused to get involved.
proof_state: [{('James', 'brother', 'Otto'): [('James', 'mother', 'Michelle'), ('Michelle', 'son', 'Otto')]}]