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: electric devices require electrical energy to function
[EX A]: A refrigerator?

[EX Q]: Fact: phloem transports materials through the plant
[EX A]: Phloem?

[EX Q]: Fact: when electricity flows to a light bulb , the light bulb will come on
[EX A]:
A light bulb turns on when it receives energy from?