story: [Robert] bought a plane ticket for his nephew [Leroy]. [Dawn] asked her mother [Patricia] on a good school for [Norman] and [Dawn]'s son [Henry].
clean_story: [Dawn] asked her mother [Patricia] on a good school for [Norman] and [Dawn]'s son [Henry].
proof_state: [{('Norman', 'mother', 'Patricia'): [('Norman', 'son', 'Henry'), ('Henry', 'grandmother', 'Patricia')]}, {('Norman', 'son', 'Henry'): [('Norman', 'wife', 'Dawn'), ('Dawn', 'son', 'Henry')]}]