question: ship:ocean
choices.label: A B C D
choices.text: crayons:painting timbre:music train:traffic airplane:sky
explanation: traveling on the "ocean" requires a "ship". the tool for "painting" is "crayons". "timbre" refers to the sensory characteristics of sound, and "timbre" corresponds to "music", which is not a place. "train" is a kind of "traffic", and "traffic" is not a place. flying in the "sky" requires an "airplane".
relation: ship ocean R3.6
relation: crayons painting R3.8
relation: timbre music R3.10
relation: train traffic R3.10
relation: airplane sky R3.6