story: [Russell] is Grandson of [Gabrielle] and brother of [Jennifer]
query: ('Jennifer', 'Gabrielle')
clean_story: [Russell] is Grandson of [Gabrielle] and brother of [Jennifer]
proof_state: [{('Jennifer', 'grandmother', 'Gabrielle'): [('Jennifer', 'brother', 'Russell'), ('Russell', 'grandmother', 'Gabrielle')]}]