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: riding a bike does not cause pollution
answer:
Riding a two wheeled human powered vehicle is good for the environment because?


question:
Fact: fire causes harm to living things
answer:
If a thing experiences a burning combustion, then it is?


question:
Fact: as water increases in an environment , the population of aquatic animals will increase
answer:

As a lake increases in size, there are more?