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

Example Input: Mercury is the name of the smallest planet in our solar system, which is also nearest to the sun.
Example Output: What is the name of the smallest planet in our solar system, which is also nearest to the sun?

Example Input: The location of an object in a frame of reference is called position.
Example Output: The location of an object in a frame of reference is called what?

Example Input: Naphthalens is a chemical which is commonly used in mothballs.
Example Output:
Naphthalens is a chemical which is commonly used in what?