Task: Question Understanding
Input (English): Question: What is the difference between a producer and a consumer? (A) A producer makes its own food, and a consumer eats producers. (B) A producer is microscopic, and a consumer is large. (C) A producer lives in the water, and a consumer lives on land. (D) A producer eats plants, and a consumer eats meat.?
Output (English): difference, producer, consumer?