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.

[Q]: Fact: pencil lead contains mineral graphite. Question: Which is the likeliest part of a pencil to have been mined?
[A]: the lead


[Q]: Fact: cows only eat plants. Question: A herd of cattle is slowly making its way through a large field. The shepherd realizes that he forgot to bring grain for the cattle, yet the cattle will survive just fine in the field, because?
[A]: they eat roughage


[Q]: Fact: fog is formed by water vapor condensing in the air. Question: Someone is driving at night. The day was warm, but now the night is cool, and there is a lot of mist that is difficult to see through. The mist is prevalent because?
[A]:
humidity from the day condensed as night progressed