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

Example Input: Bile acids, needed to emulsify lipids, are stored in the body in the gallbladder.
Example Output: Where are bile acids, needed to emulsify lipids, stored in the body?

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: When scientists work in natural settings rather than a lab, it is called fieldwork.
Example Output:
When scientists work in natural settings rather than a lab, it is called what?