story: [Stacy] and her brother [Brian] are both adopted from the same family. [Melissa] took her son [Brian] to the park. [Kerri] and her husband [Brian] celebrated their anniversary last night. They went out to a nice restaurant to celebrate.
query: ('Kerri', 'Melissa')
clean_story: [Kerri] and her husband [Brian] celebrated their anniversary last night. They went out to a nice restaurant to celebrate. [Melissa] took her son [Brian] to the park.
proof_state: [{('Kerri', 'mother-in-law', 'Melissa'): [('Kerri', 'husband', 'Brian'), ('Brian', 'mother', 'Melissa')]}]