Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[Q]: Collision theory states that chemical reactions occur when atoms, ions, or molecules collide.
[A]: What states that chemical reactions occur when atoms, ions, or molecules collide?


[Q]: Prostate is the most common type of cancer in adult males.
[A]: What is the most common type of cancer in adult males?


[Q]: Birds pair up with the same bird in mating season.
[A]:
What do birds do in mating season?