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

Glycolysis is a series of reactions that is common to fermentation and cellular respiration.
What series of reactions is common to fermentation and cellular respiration?

Correlation is different from causation term that refers to the factor that is producing the effect.
Correlation is different from what term that refers to the factor that is producing the effect?

A(n) orangutan generally lives alone.
Which primate group generally lives alone?