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

Example Input: Digestion begins in the gastrovascular cavity.
Example Output: Where does digestion begin?

Example Input: Potential energy type of energy is possessed by autumn leaves before they fall.
Example Output: What type of energy is possessed by autumn leaves before they fall?

Example Input: Four many different types of stresses are there.
Example Output:
How many different types of stresses are there?