story: [Venita] and her brother [Emmanuel] were going shopping. [Emmanuel] asked his mother, [Valerie], if she wanted anything from the store, but [Valerie] said no. [Clarence] bought his sister [Venita] a video game for her birthday. She said it was her favorite game and gave him a big hug.
query: ('Clarence', 'Valerie')
clean_story: [Clarence] bought his sister [Venita] a video game for her birthday. She said it was her favorite game and gave him a big hug. [Venita] and her brother [Emmanuel] were going shopping. [Emmanuel] asked his mother, [Valerie], if she wanted anything from the store, but [Valerie] said no.
proof_state: [{('Clarence', 'mother', 'Valerie'): [('Clarence', 'sister', 'Venita'), ('Venita', 'mother', 'Valerie')]}, {('Venita', 'mother', 'Valerie'): [('Venita', 'brother', 'Emmanuel'), ('Emmanuel', 'mother', 'Valerie')]}]