question: bamboo flute:white bamboo
choices.label: A B C D
choices.text: sculpture:mud carving cotton cloth:fabric starch:potatoes soybeans:tofu
explanation: "white bamboo" is the raw material for making a "bamboo flute". "sculpture" is a handicraft or landscape, "mud carving" is a creative craft and method, and "sculpture" is not the raw material of "mud carving". "cotton cloth" refers to the cloth made of cotton. "cotton cloth" is a kind of "fabric", and "fabric" is not a kind of "cotton cloth". "potato" makes "starch" raw material. "soybean" can make "tofu", "tofu" is not the raw material of "soybean".
relation: bamboo flute white bamboo R3.7