story: [Valerie] and her daughter [Elizabeth] went out for ice cream. [Valerie] got a cone and [Elizabeth] got a sundae. [Molly] is a girl with a grandmother named [Elizabeth]. [Molly] and her daughter [Marian] went out to dinner.
query: ('Valerie', 'Marian')
clean_story: [Valerie] and her daughter [Elizabeth] went out for ice cream. [Valerie] got a cone and [Elizabeth] got a sundae. [Molly] is a girl with a grandmother named [Elizabeth]. [Molly] and her daughter [Marian] went out to dinner.
proof_state: [{('Valerie', 'sister', 'Marian'): [('Valerie', 'mother', 'Molly'), ('Molly', 'daughter', 'Marian')]}, {('Valerie', 'mother', 'Molly'): [('Valerie', 'daughter', 'Elizabeth'), ('Elizabeth', 'grandmother', 'Molly')]}]