story: [Karen] invited her father [Elliott] to her high school father daughter dance. [Karen] called her mother [Marian] to let her know she will be back home soon. [Marian] took her mother, [Molly], out for lunch.
query: ('Elliott', 'Molly')
clean_story: [Karen] invited her father [Elliott] to her high school father daughter dance. [Karen] called her mother [Marian] to let her know she will be back home soon. [Marian] took her mother, [Molly], out for lunch.
proof_state: [{('Elliott', 'mother', 'Molly'): [('Elliott', 'daughter', 'Karen'), ('Karen', 'grandmother', 'Molly')]}, {('Karen', 'grandmother', 'Molly'): [('Karen', 'mother', 'Marian'), ('Marian', 'mother', 'Molly')]}]