story: [Nancy]'s biggest accomplishment is raising her son [Robert]. [Michelle] bought a present for her grandson [Robert] [Nancy] loves to make cookies for her son. His name is [Jess].
query: ('Nancy', 'Michelle')
clean_story: [Nancy]'s biggest accomplishment is raising her son [Robert]. [Michelle] bought a present for her grandson [Robert]
proof_state: [{('Nancy', 'mother', 'Michelle'): [('Nancy', 'son', 'Robert'), ('Robert', 'grandmother', 'Michelle')]}]