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

Ex Input:
Protons and neutrons are made of quarks, which are fundamental particles of matter.

Ex Output:
A fundamental particle of matter, protons and neutrons are made of these?


Ex Input:
Based on the passage, they may represent individual people is one conclusion archaeologists have reached about the statues.

Ex Output:
Based on the passage, what is one conclusion archaeologists have reached about the statues?


Ex Input:
The term “vapor” refers to the gas phase when it exists at a temperature below boiling temperature.

Ex Output:
The term “vapor” refers to the gas phase when it exists at a temperature below what?