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.

[Q]: Fact: earthworms create tunnels in soil
[A]: Moles are underground a lot of the time, and since few animals live there, they are unlikely to be?


[Q]: Fact: An example of a fossil is the bones of an extinct animal
[A]: A thing that now exists in fossilized form that can be put together to take a full shape is?


[Q]: Fact: birds are a vehicle for spreading the seeds of a plant
[A]:
Birds are a vehicle for spreading the seeds of what?