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

Input: Consider Input: Endoscopes are used to explore the body through various orifices or minor incisions.

Output: Endoscopes are used to explore the body through various orifices or these?


Input: Consider Input: The mesopause is at the top of the mesosphere.

Output: What is at the top of the mesosphere?


Input: Consider Input: Volume is another way of measuring material.
Output: Volume is another way of measuring what?