story: [Otto] bought a dress for his daughter [Ellen]. [Otto] went to the baseball game with his son [William] [Otto], [Minnie]'s husband, treated them both to a fancy dinner last night.
query: ('Minnie', 'Ellen')
clean_story: [Otto], [Minnie]'s husband, treated them both to a fancy dinner last night. [Otto] bought a dress for his daughter [Ellen].
proof_state: [{('Minnie', 'daughter', 'Ellen'): [('Minnie', 'husband', 'Otto'), ('Otto', 'daughter', 'Ellen')]}]