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

[Q]: Compounds containing an atom of nitrogen element, bonded in a hydrocarbon framework, are classified as amines.
[A]: Compounds containing an atom of what element, bonded in a hydrocarbon framework, are classified as amines?


[Q]: The climate is defined as the temperature plus precipitation of an area over a long period of time.
[A]: What is defined as the temperature plus precipitation of an area over a long period of time?


[Q]: You call catalysts that are found inside of living things enzymes.
[A]:
What do you call catalysts that are found inside of living things?