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

Input: Consider Input: Group 16 is called the oxygen group.

Output: Group 16 is called what?

Input: Consider Input: Potential energy type of energy is possessed by autumn leaves before they fall.

Output: What type of energy is possessed by autumn leaves before they fall?

Input: Consider Input: The action of flushing the toilet, performed multiple times daily, is the single biggest use of water in the home.
Output: What action, performed multiple times daily, is the single biggest use of water in the home?