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.

Fact: if a substance absorbs solar energy then that substance will increase in temperature. Question: Absorbing sun rays?
raises the Fahrenheit of an object

Fact: In the photosynthesis process oxygen has the role of waste product. Question: Unlike CO2, oxygen is a waste product of?
cactus

Fact: metamorphosis is when an animal changes from an immature form to an adult form. Question: A caterpillar is a part one of the mundane four stage life cycle of?

a colorful invertebrate