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: adding heat to an object sometimes causes chemical reactions

Output: A chemical reaction may occur when _____ is added to an object.?


Input: Consider Input: Fact: An example of migration is birds flying south in the winter

Output: Birds go south to look for?


Input: Consider Input: Fact: a scar is an acquired characteristic


Output: Which human is more likely to be free of scars?