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: the looseness of soil increases the amount of oxygen in that soil. Question: If soil is loose, it makes it what for oxygen to get in?

Answer: simpler

Question: Fact: carnivores only eat animals. Question: Carnivores' only source of what comes from other animals?

Answer: sustenance

Question: Fact: riding a bike does not cause pollution. Question: riding a bike helps prevent?

Answer:
environment harm