Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Example Input: Air quality is a measure of pollutants in the air.
Example Output: Air quality is a measure of what in the air?

Example Input: A mushroom is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia.
Example Output: What is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia?

Example Input: Secondary consumers (which eat primary consumers) are considered to be trophic level 3.
Example Output:
What trophic level are secondary consumers (which eat primary consumers) considered to be?