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

[EX Q]: Human facial expressions can communicate emotions.
[EX A]: What can human facial expressions communicate?

[EX Q]: Socket secures teeth in the mouth.
[EX A]: What secures teeth in the mouth?

[EX Q]: Sexually do roundworms reproduce.
[EX A]:
How do roundworms reproduce?