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: being stronger usually has a positive impact on an living thing 's health
answer:
A thing which has great physical capacity is most likely?

question:
Fact: landfills have a negative impact on the environment
answer:
Which is a positive impact on the bio environment?

question:
Fact: if an object is close then that object will appear large
answer:
A person approaching a dog from across a street can note that the dog?