TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: In pupa stage of their life cycle do insects begin developing their wings.

SOLUTION: In what stage of their life cycle do insects begin developing their wings?

PROBLEM: Unlike ammonia, oxygen cannot be liquefied at room temperature because its critical temperature is below room temperature.

SOLUTION: Unlike ammonia, oxygen cannot be liquefied at room temperature because its what is below room temperature?

PROBLEM: Tanning salons claim to use a “safe” form of uv (ultraviolet) light, with a longer wavelength than that in sunlight.

SOLUTION:
Tanning salons claim to use a “safe” form of what light, with a longer wavelength than that in sunlight?