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: the length of the hair of an animal is an acquired characteristic
[A]: An Afghan Hound get all its hair from?

[Q]: Fact: some birds are predators
[A]: All predators are also carnivorous because predators?

[Q]: Fact: smell is used for finding food by some animals
[A]:
Some animals are aided in finding food sources by?