story: [Mark] asked his mother [Crystal] if her mother [Michelle] could take him to the movies tonight? [David] always looked up to his big brother [Mark] and wanted to be just like him.
query: ('Mark', 'Michelle')
clean_story: [Mark] asked his mother [Crystal] if her mother [Michelle] could take him to the movies tonight?
proof_state: [{('Mark', 'grandmother', 'Michelle'): [('Mark', 'mother', 'Crystal'), ('Crystal', 'mother', 'Michelle')]}]