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

[Q]: Platelets blood component serves both structural and molecular functions in blood clotting.
[A]: What blood component serves both structural and molecular functions in blood clotting?


[Q]: Hand lens tool should a student use to see the patterns on a small object.
[A]: Which tool should a student use to see the patterns on a small object?


[Q]: Interstellar medium consists of thinly spread gas and dust.
[A]:
What does interstellar medium consist of?