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.

Example Input: Question: Which unit is used to express the amount of energy in food? Answer: Calorie
Example Output: A calorie is used to express the amount of energy in food.

Example Input: Question: What do you call the formation of a water vapor pocket? Answer: cavitation
Example Output: You call the formation of a water vapor pocket cavitation.

Example Input: Question: Bacteria, viruses, fungi, and protozoa are examples of what, the term for a disease-causing microorganism? Answer: pathogen
Example Output:
Bacteria, viruses, fungi, and protozoa are examples of a pathogen, the term for a disease-causing microorganism.