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: damming a river can cause a lake to form
[EX A]: If a beaver does what it does in order to build its home, then near the river will form?

[EX Q]: Fact: solar energy is an inexhaustible resource
[EX A]: A person needs to make a stove run with only energy that will run forever, so they make a?

[EX Q]: Fact: In the food chain process a green plant has the role of producer
[EX A]:
Plants are called producers because they may produce their own?