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

Input: Consider Input: Bile acids, needed to emulsify lipids, are stored in the body in the gallbladder.

Output: Where are bile acids, needed to emulsify lipids, stored in the body?


Input: Consider Input: The outer layer of the sun is made up of plasma.

Output: What is the outer layer of the sun made up of?


Input: Consider Input: By train of the following is the most efficient way to transport large amounts of coal from a mine in kentucky to a power plant in arizona.


Output: Which of the following is the most efficient way to transport large amounts of coal from a mine in Kentucky to a power plant in Arizona?