question: socrates:humans
choices.label: A B C D
choices.text: pine tree:plant forbidden city:architecture the painted veil:books sun:star
explanation: "Socrates" belongs to "human being", and "Socrates" is an individual. "plant" includes "pine tree", and "pine tree" is a class, not an individual. "architecture" includes "forbidden city", "forbidden city" is a group of buildings, not a single individual. "the painted veil" belongs to "books", and "the painted veil" belongs to novels, not individuals. the "sun" is a kind of "star", and the "sun" is an individual.
relation: socrates humans R2.2
relation: pine tree plant R2.2
relation: forbidden city architecture R2.2
relation: the painted veil books R2.2
relation: sun star R2.2