story: [Michelle]'s son [Otto] called her on the phone to tell her that his daughter [Tammy] was born. [Otto]'s sister, [Nancy], participated in the dance contest.
query: ('Tammy', 'Michelle')
clean_story: [Michelle]'s son [Otto] called her on the phone to tell her that his daughter [Tammy] was born.
proof_state: [{('Tammy', 'grandmother', 'Michelle'): [('Tammy', 'father', 'Otto'), ('Otto', 'mother', 'Michelle')]}]