story: [Dulce] is looking for a good gift for her sister [Maria]. [Robert] was very nervous talking with his wife [Dulce]. He was so nervous because he was going to meet [Dulce]'s father [Paul] for the first time.
query: ('Robert', 'Paul')
clean_story: [Robert] was very nervous talking with his wife [Dulce]. He was so nervous because he was going to meet [Dulce]'s father [Paul] for the first time.
proof_state: [{('Robert', 'father-in-law', 'Paul'): [('Robert', 'wife', 'Dulce'), ('Dulce', 'father', 'Paul')]}]