story: [Molly] and her daughter [Valerie] went out for ice cream. [Molly] got a cone and [Valerie] got a sundae. [Michelle] asked her two sisters [Marian] and [Valerie] if they were free for coffee this coming weekend.
query: ('Molly', 'Marian')
clean_story: [Molly] and her daughter [Valerie] went out for ice cream. [Molly] got a cone and [Valerie] got a sundae. [Michelle] asked her two sisters [Marian] and [Valerie] if they were free for coffee this coming weekend.
proof_state: [{('Molly', 'daughter', 'Marian'): [('Molly', 'daughter', 'Michelle'), ('Michelle', 'sister', 'Marian')]}, {('Molly', 'daughter', 'Michelle'): [('Molly', 'daughter', 'Valerie'), ('Valerie', 'sister', 'Michelle')]}]