story: [Jason] is a proud grandfather of [Chad]. [Chad] has a great relationship with his mother [Alma].
query: ('Alma', 'Jason')
clean_story: [Jason] is a proud grandfather of [Chad]. [Chad] has a great relationship with his mother [Alma].
proof_state: [{('Alma', 'father', 'Jason'): [('Alma', 'son', 'Chad'), ('Chad', 'grandfather', 'Jason')]}]