story: [Valerie]'s brother [Michael] and daughter [Elizabeth] helped tow the car of [Clarence], [Elizabeth]'s brother.
query: ('Clarence', 'Michael')
clean_story: [Valerie]'s brother [Michael] and daughter [Elizabeth] helped tow the car of [Clarence], [Elizabeth]'s brother.
proof_state: [{('Clarence', 'uncle', 'Michael'): [('Clarence', 'mother', 'Valerie'), ('Valerie', 'brother', 'Michael')]}, {('Clarence', 'mother', 'Valerie'): [('Clarence', 'sister', 'Elizabeth'), ('Elizabeth', 'mother', 'Valerie')]}]