question: red-crowned crane:chinese bulbul
choices.label: A B C D
choices.text: paguma larvata:giraffe polar bear:donald duck leopard:sarcandra glabra rattlesnake:vulture
explanation: "red-crowned cranes" and "chinese bulbuls" are both birds. "paguma larvata" and "giraffes" are mammals. the "polar bear" is a mammal, but "donald duck" is a classic cartoon animal created by disney. "polar bear" and "donald duck" do not belong to the same species. the "leopard" is an animal, and the "sarcandra glabra" is a plant. the two do not belong to the same species. "rattlesnakes" are reptiles, and "vultures" are birds. they do not belong to the same species.
relation: red-crowned crane chinese bulbul R2.4
relation: paguma larvata giraffe R2.4