story: [Jennifer]'s mom, [Alma], has recently taken art classes. [Robert] took his wife [Jennifer] on a cruise for their anniversary.
query: ('Robert', 'Alma')
clean_story: [Robert] took his wife [Jennifer] on a cruise for their anniversary. [Jennifer]'s mom, [Alma], has recently taken art classes.
proof_state: [{('Robert', 'mother-in-law', 'Alma'): [('Robert', 'wife', 'Jennifer'), ('Jennifer', 'mother', 'Alma')]}]