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.

[Q]: Fact: usually coral lives in warm water
[A]: Coral get their ____ from algae?

[Q]: Fact: pushing an object requires force
[A]: A baby wants to move a ball, so it looks at the ball and it refuses to move. The baby takes its hand and touches the ball and?

[Q]: Fact: a cactus stem is used for storing water
[A]:
Someone stranded in the Sahara can potentially save their life with a?