story: [Sandra] took her daughter, [Teresa], to lunch. [Sandra]'s son, [Lee], went away for the weekend. He was going to spend it at his grandmother [Molly]'s house.
query: ('Teresa', 'Molly')
clean_story: [Sandra] took her daughter, [Teresa], to lunch. [Sandra]'s son, [Lee], went away for the weekend. He was going to spend it at his grandmother [Molly]'s house.
proof_state: [{('Teresa', 'grandmother', 'Molly'): [('Teresa', 'brother', 'Lee'), ('Lee', 'grandmother', 'Molly')]}, {('Teresa', 'brother', 'Lee'): [('Teresa', 'mother', 'Sandra'), ('Sandra', 'son', 'Lee')]}]