question: fruit:apple
choices.label: A B C D
choices.text: bergamot pear:yellow pear trees:branches bmw:mercedes-benz mountain:high mountain
explanation: "fruit" includes "apple". "bergamot pear" and "yellow pear" are two varieties of pear. "branch" is a component of "tree". "bmw" and "mercedes-benz" are in one category, but there are other car brands besides "bmw" and "mercedes-benz". "mountain" includes "high mountain".
relation: fruit apple R2.2
relation: bergamot pear yellow pear R2.4
relation: branches trees R2.2
relation: bmw mercedes-benz R2.6
relation: mountain high mountain R2.2