question: horses:gallop
choices.label: A B C D
choices.text: interfere:infrared lion:roar thesis:quality digestion:excretion
explanation: "horses" will "gallop". "infrared" will be "interfered". the "lion" will "roar". one can check the "quality" of "thesis". "digestion" and "excretion" are the different physiological processes.
relation: horses gallop R4.1
relation: interfere infrared R4.2
relation: lion roar R4.1
relation: thesis quality R4.3
relation: digestion excretion R2.4