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


question:
Fact: biofuel is used to produce electricity by burning
answer:
An example of biofuel could be?


question:
Fact: a planet rotating causes cycles of day and night on that planet
answer:

At any given time on earth, some countries can be in bed and other are in the middle of the day enjoying the outdoors, why?