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

[EX Q]: Most ferns produce the same type of spores and are therefore called homosporous.
[EX A]: Most ferns produce the same type of spores and are therefore called what?

[EX Q]: Most of the digestion reactions occur in the small intestine.
[EX A]: Where do most of the digestion reactions occur?

[EX Q]: K2 is the second highest mountain in the world, at over 28,000 feet.
[EX A]:
What is the second highest mountain in the world, at over 28,000 feet?