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: pollution is a source of pollutants. Question: Which would be a source of pollutants?

Answer: cars

Question: Fact: An example of collecting data is measuring. Question: A thing which is measured, such as a bucket of salt, needs to first be?

Answer: gathered

Question: Fact: as ability to transport food increases around the world , the available types of food in distant locations will increase. Question: Advances in food transportation lead to?

Answer:
greater variety of foods in remote areas