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: The cubic crystal system is composed of how many different types of unit cells? Answer: three
[EX A]: The cubic crystal system is composed of three many different types of unit cells.

[EX Q]: Question: What is the most common type of cancer developed in children? Answer: leukemia
[EX A]: Leukemia is the most common type of cancer developed in children.

[EX Q]: Question: The similarities and differences between the genomes confirm patterns of what? Answer: evolution
[EX A]:
The similarities and differences between the genomes confirm patterns of evolution.