question: scientist:academician
choices.label: A B C D
choices.text: yangtze river:yellow river kangaroo:mouse undergraduate:soldier running:walking
explanation: a "scientist" can be an "academician", and an "academician" can also be a "scientist". the "yangtze river" and the "yellow river" both belong to rivers. "kangaroo" and "rat" are both animals. "undergraduate" can be "soldier", and "soldier" can also be "undergraduate". "running" and "walking" belong to exercise.
relation: scientist academician R2.7
relation: yangtze river yellow river R2.4
relation: kangaroo mouse R2.4
relation: undergraduate soldier R2.7
relation: running walking R2.4