question: trees:cut down
choices.label: A B C D
choices.text: car:driving mountain spring:flow yeast:decomposition oil:drill
explanation: "trees" can be "cut down", and "trees" are natural resources. "cars" can be "driven", but "cars" are not natural resources. "mountain spring" can "flow". "yeast" can be "decomposed". "oil" is "drilled", and "oil" is a natural resource.
relation: trees cut down R4.2
relation: car driving R4.2
relation: mountain spring flow R4.1
relation: yeast decomposition R4.1
relation: oil drill R4.2