story: [Darnell] asked her two sisters [Connie] and [Karen] if they were free for coffee this coming weekend. [Connie] always loved when her grandmother [Molly] visited, because she always got presents.
query: ('Karen', 'Molly')
clean_story: [Darnell] asked her two sisters [Connie] and [Karen] if they were free for coffee this coming weekend. [Connie] always loved when her grandmother [Molly] visited, because she always got presents.
proof_state: [{('Karen', 'grandmother', 'Molly'): [('Karen', 'sister', 'Darnell'), ('Darnell', 'grandmother', 'Molly')]}, {('Darnell', 'grandmother', 'Molly'): [('Darnell', 'sister', 'Connie'), ('Connie', 'grandmother', 'Molly')]}]