story: [Paul]'s son [Jess] is in the hospital. [Jess]'s brother [Robert] accidentally hit him with a hammer. [Jess] loves his mother very much. Her name is [Nancy].
query: ('Paul', 'Robert')
clean_story: [Paul]'s son [Jess] is in the hospital. [Jess]'s brother [Robert] accidentally hit him with a hammer.
proof_state: [{('Paul', 'son', 'Robert'): [('Paul', 'son', 'Jess'), ('Jess', 'brother', 'Robert')]}]