instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: Which is the best way to maintain a strong, fit body? Answer: a healthy diet
answer:
A healthy diet is the best way to maintain a strong, fit body.


question:
Question: What is the most abundant type of biological entity on the earth? Answer: viruses
answer:
Viruses are the most abundant type of biological entity on the earth.


question:
Question: What type of energy is possessed by autumn leaves before they fall? Answer: potential energy
answer:

Potential energy type of energy is possessed by autumn leaves before they fall.