story: [Molly] bought a new video game for her son [Alan]. [Sidney] was so excited to introduce his new girlfriend to his mother, [Marian]. [Molly] took her daughter, [Marian], out to High Tea yesterday afternoon.
query: ('Alan', 'Sidney')
clean_story: [Molly] bought a new video game for her son [Alan]. [Molly] took her daughter, [Marian], out to High Tea yesterday afternoon. [Sidney] was so excited to introduce his new girlfriend to his mother, [Marian].
proof_state: [{('Alan', 'nephew', 'Sidney'): [('Alan', 'sister', 'Marian'), ('Marian', 'son', 'Sidney')]}, {('Alan', 'sister', 'Marian'): [('Alan', 'mother', 'Molly'), ('Molly', 'daughter', 'Marian')]}]