instruction:
In this task, you are given a fact statement and question based on the fact. Your task is to generate the correct answer for the question. The answer needs to be generated using the context fact statement.
question:
Fact: lighting a candle causes that candle to burn. Question: Which of the following prolongs combustion?
answer:
candle wax


question:
Fact: performing lab expiriments accurately requires understanding all directions beforehand. Question: It's important to do this if you want your lab experiment to be performed correctly.?
answer:
comprehend all the steps that will be involved beforehand


question:
Fact: an incandescent light bulb converts electricity into heat by sending electricity through a filament. Question: Which is a byproduct of a lightbulb?
answer:

warmth