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.

[EX Q]: Question: What purpose does the appendix serve in humans today? Answer: none
[EX A]: None purpose does the appendix serve in humans today.

[EX Q]: Question: Where are aerofoils found? Answer: birds and airplanes
[EX A]: Birds and airplanes are aerofoils found.

[EX Q]: Question: How does lysozyme destroy bacteria? Answer: by digesting their cell walls
[EX A]:
A lysozyme destroys bacteria by digesting their cell walls.