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.

Example Input: Fact: an animal being born when food is available has a positive impact on that animal 's health
Example Output: Ligers are less likely to thrive when there is?

Example Input: Fact: lighting a candle causes that candle to burn
Example Output: Which of the following burns due to wax?

Example Input: Fact: roots anchor plants into the soil
Example Output:
if a tree stands firm during a windy day, which of these could be holding it in place?