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

Input: Consider Input: The thalamus helps to regulate consciousness, arousal, and sleep states.

Output: What helps to regulate consciousness, arousal, and sleep states?

Input: Consider Input: The sporophyte stage is the dominant stage of the lifecycle of a fern.

Output: Which is the dominant stage of the lifecycle of a fern?

Input: Consider Input: One might find deciduous trees in a humid continental climate.
Output: In what type of climate might one find deciduous trees?