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

Input: Consider Input: Carbon 14 isotope of carbon is typically used to date ancient items.

Output: What isotope of carbon is typically used to date ancient items?


Input: Consider Input: Ice masses, acquifers, and the deep ocean are examples of water reservoirs.

Output: Ice masses, acquifers, and the deep ocean are examples of water what?


Input: Consider Input: Glycolysis is a series of reactions that is common to fermentation and cellular respiration.


Output: What series of reactions is common to fermentation and cellular respiration?