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

Input: Consider Input: In the lungs, oxygen diffuses out of the alveoli and into capillaries.

Output: In the lungs, oxygen diffuses out of the alveoli and into where?


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: The rising and sinking of these can cause precipitation?
Output: The rising and sinking of these can cause precipitation?