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: heat and pressure change the remains of prehistoric living things into natural gas
[A]: Over many, many years, the buildup of warmth and pressure can take a dinosaur's remains and change them into something that can?


[Q]: Fact: migration is an instinctive behavior
[A]: Geese fly south for the winter because?


[Q]: Fact: shiny things reflect light
[A]:
Some people put metal tags on their dog's collars, because in darkness, these collars can?