story: [Reta] invited her grandfather [Stanley] to the movies last weekend. [Stanley] and [Reta] had a great time together. [Michael] has been trying all day to reach his daughter [Reta] on the phone. [May] and her father [Michael] went for a hike in the mountains.
query: ('May', 'Stanley')
clean_story: [May] and her father [Michael] went for a hike in the mountains. [Michael] has been trying all day to reach his daughter [Reta] on the phone. [Reta] invited her grandfather [Stanley] to the movies last weekend. [Stanley] and [Reta] had a great time together.
proof_state: [{('May', 'grandfather', 'Stanley'): [('May', 'father', 'Michael'), ('Michael', 'father', 'Stanley')]}, {('Michael', 'father', 'Stanley'): [('Michael', 'daughter', 'Reta'), ('Reta', 'grandfather', 'Stanley')]}]