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: camouflage can be used for hunting for prey. Question: if a predator wanted to catch its meal undetected, which method would be effective?

Answer: hiding behind a bush with similar colors as itself


Question: Fact: a lever is used for moving heavy objects. Question: In order for a crane to operate properly it requires?

Answer: a fulcrum


Question: Fact: rainfall is the amount of rain an area receives. Question: What will be more available in an area when rainfall increases?

Answer:
H2O