story: [Michelle]'s father [Peter] and his wife [Lisa] are visiting [Lisa]'s brother [Mark] this weekend. [Peter] and his daughter [Eustolia] go to the beach every year. They always have an amazing time.
query: ('Mark', 'Michelle')
clean_story: [Michelle]'s father [Peter] and his wife [Lisa] are visiting [Lisa]'s brother [Mark] this weekend.
proof_state: [{('Mark', 'niece', 'Michelle'): [('Mark', 'sister', 'Lisa'), ('Lisa', 'daughter', 'Michelle')]}, {('Lisa', 'daughter', 'Michelle'): [('Lisa', 'husband', 'Peter'), ('Peter', 'daughter', 'Michelle')]}]