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

Ex Input:
The metallic bond is responsible for the properties of metals.

Ex Output:
What is responsible for the properties of metals?


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

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


Ex Input:
Wavelength is the distance between two corresponding points of adjacent waves called.

Ex Output:

What is the distance between two corresponding points of adjacent waves called?