story: [Myrna] is playing in the park with her son [Jeffrey]. [Michael] is calling his sister [Myrna] to let her know it's going to start to rain.
query: ('Michael', 'Jeffrey')
clean_story: [Myrna] is playing in the park with her son [Jeffrey]. [Michael] is calling his sister [Myrna] to let her know it's going to start to rain.
proof_state: [{('Michael', 'nephew', 'Jeffrey'): [('Michael', 'sister', 'Myrna'), ('Myrna', 'son', 'Jeffrey')]}]