Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.

Input: Consider Input: Fact: slope is a measure of the difference in elevation between one part of the land and another part of the land

Output: slope is a measure of the difference in elevation from the top to the base of a?


Input: Consider Input: Fact: the pupa stage is a stage in the metamorphosis process of some animals

Output: Which has a child that will miss out on being a pupa?


Input: Consider Input: Fact: mining changes an ecosystem


Output: What changes an ecosystem?