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

[Q]: Some compounds form rigid frameworks called crystals.
[A]: Some compounds form rigid frameworks called what?


[Q]: Low energy causes waves to bring sand up onto the beach during summers.
[A]: What causes waves to bring sand up onto the beach during summers?


[Q]: Gluconeogenesis is the synthesis of glucose from pyruvate, lactate and glycerol.
[A]:
What process is the synthesis of glucose from pyruvate, lactate and glycerol?