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.

[Q]: Question: What's the best way humans can conserve water? Answer: use less
[A]: The best way humans can conserve water is to use less.

[Q]: Question: All cells undergo what during a lifetime, but when this process is out of control, cancer results? Answer: cell division
[A]: All cells undergo cell division during a lifetime, but when this process is out of control, cancer results.

[Q]: Question: What type of cells make up the epidermis of a leaf? Answer: dermal cells
[A]:
Dermal cells type of cells make up the epidermis of a leaf.