instruction:
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.
question:
Fact: a plant requires sunlight to grow
answer:
Which most directly requires sunlight to grow?


question:
Fact: if gas is heated then that gas will rise
answer:
What will air usually do when heated up beyond a certain point?


question:
Fact: damming a river can cause a lake to form
answer:

If a beaver does what it does in order to build its home, then near the river will form?