question: oil field:gasoline
choices.label: A B C D
choices.text: lumberyard:furniture mall:clothing farmland:paddy reservoir:water
explanation: crude oil is produced in "oil fields" and "gasoline" is refined from crude oil. lumber is cut in a "lumberyard", and "furniture" is produced by processing the wood. "clothing" can be sold in "malls". rice grows on "farmland", and the fruit of rice is "paddy". "water" can be stored in "reservoirs".
relation: oil field gasoline R3.10
relation: lumberyard furniture R3.10