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.

[EX Q]: Fact: lightning can cause a forest fire
[EX A]: In a forest without anyone around, a fire may be started by?

[EX Q]: Fact: a doorbell converts electrical energy into sound
[EX A]: I can use electrical energy to?

[EX Q]: Fact: camouflage is a kind of protection against predators
[EX A]:
A creature that completely goes unnoticed and unseen against a mottled leaf backdrop is probably?