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 candle is a source of light when it is burned
answer:
who would see better through an underground tunnel?


question:
Fact: farming changes the environment
answer:
plant life vessels can be harvested in the ground which will change the?


question:
Fact: rock is made of minerals
answer:

A granite counter top?