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.

Fact: if a body part was burned then that body part was exposed to a lot of heat energy
A man is burned in an accident on the road, which means that at one point he was?

Fact: birds sometimes eat berries
Birds feed their babies by?

Fact: birds sometimes eat seeds

While robins refuse to eat much aside from insects, worms and fruit, most birds can make a nice meal out of?