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: dropping an object into water causes vibrations in the water
answer:
Stepping in a lake causes?

question:
Fact: burning a living thing usually causes harm to that living thing
answer:
When the Mountain held the Hound's face to the fire, it caused?

question:
Fact: photosynthesis means producers convert from carbon dioxide, water, and solar energy into food for themselves
answer:
What tool would be most helpful in aiding indoor plants in photosynthesis?