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

Input: Consider Input: An excellent solvent that holds heat well and allows hydrogen bonds, water substance has many properties critical to life.

Output: An excellent solvent that holds heat well and allows hydrogen bonds, what substance has many properties critical to life?

Input: Consider Input: You call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars, elliptical galaxies.

Output: What do you call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars?

Input: Consider Input: Alterations of chromosome causes genetic disorders in humans.
Output: What causes genetic disorders in humans?