story: [Kerri] take care of her grandmother [Michelle] [Kerri] and her sister [Edward] went to the ice cream shop. [Kerri] was celebrating her birthday with her mother [Melissa].
query: ('Edward', 'Michelle')
clean_story: [Kerri] and her sister [Edward] went to the ice cream shop. [Kerri] take care of her grandmother [Michelle]
proof_state: [{('Edward', 'grandmother', 'Michelle'): [('Edward', 'sister', 'Kerri'), ('Kerri', 'grandmother', 'Michelle')]}]