story: [Robert] looked up to his older brother named [Chad]. [Chad] was very strong and quite brave and that's the reason [Robert] admires him. [Robert] was so excited to introduce his new girlfriend to his mother, [Alma].
query: ('Alma', 'Chad')
clean_story: [Robert] was so excited to introduce his new girlfriend to his mother, [Alma]. [Robert] looked up to his older brother named [Chad]. [Chad] was very strong and quite brave and that's the reason [Robert] admires him.
proof_state: [{('Alma', 'son', 'Chad'): [('Alma', 'son', 'Robert'), ('Robert', 'brother', 'Chad')]}]