story: [Valerie] and her mother [Molly] went to volunteer at the homeless shelter last weekend. [Molly] was playing with her grandson [Thomas] when his mother [Michelle] stopped by to visit.
query: ('Michelle', 'Valerie')
clean_story: [Molly] was playing with her grandson [Thomas] when his mother [Michelle] stopped by to visit. [Valerie] and her mother [Molly] went to volunteer at the homeless shelter last weekend.
proof_state: [{('Michelle', 'sister', 'Valerie'): [('Michelle', 'mother', 'Molly'), ('Molly', 'daughter', 'Valerie')]}, {('Michelle', 'mother', 'Molly'): [('Michelle', 'son', 'Thomas'), ('Thomas', 'grandmother', 'Molly')]}]