Given a scientific passage and an answer, generate a question for the given answer.

Input: Consider Input: Passage: Blue cheese is blue because of the fungus growing throughout it. Answer: blue

Output: What color is the fungus in blue cheese?

Input: Consider Input: Passage: Producers are living things that use energy to make food. Producers make food for themselves and other living things. There are two types of producers:. Answer: producers

Output: Living things that use energy to make food, both for themselves and other living things, are what part of an ecosystem?

Input: Consider Input: Passage: When two continental plates converge, they smash together and create mountains. Answer: mountains
Output: The converging of continental plates can form what kind of geological feature?