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

Example Input: The cell starting meiosis is called a primary oocyte.
Example Output: The cell starting meiosis is called a what?

Example Input: The female reproductive system consists of structures that produce eggs, secrete female sex hormones, and ultimately enable birth of a fetus.
Example Output: What system consists of structures that produce eggs, secrete female sex hormones, and ultimately enable birth of a fetus?

Example Input: An electric stove changes electric current to thermal form of energy.
Example Output:
An electric stove changes electric current to what form of energy?