question: snake:legs
choices.label: A B C D
choices.text: ox:tail whale:gills chicken:wings lion:paws
explanation: "legs" and "snakes" are different from each other. the "tail" is a part of the body of the "cow", and the body of the "cow" also has a "tail". "whale" and "gills" are different from each other. "wings" are part of the body of a "chicken", and the body of the "chicken" also has "wings". the "claws" are part of the body of the "lion", and the body of the "lion" also has "claws".
relation: legs snake R2.8
relation: tail ox R2.3
relation: whale gills R2.8
relation: wings chicken R2.3
relation: paws lion R2.3