Based on the context and the answer, generate a question. 

Context: I have come to conclude that it 's not rising nearly as well as it should for the following possible reasons : a. ) I ' m proofing it too long b. ) I ' m letting the starter sour too much , creating a very acidic environment so proofing just zips through and then there is hardly any activity anymore . That 's all I can think of .

Answer:

The narrator is trying to bake bread



What is probably true ?