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 are compounds with the same number of carbon and hydrogen atoms called? Answer: isomers
[EX A]: Isomers are compounds with the same number of carbon and hydrogen atoms called.

[EX Q]: Question: What do you call a substance that cannot be broken down to other substances by chemical reactions.? Answer: an element
[EX A]: You call a substance that cannot be broken down to other substances by chemical reactions an element.

[EX Q]: Question: An rna codon reading guu encodes for what? Answer: valine
[EX A]:
An rna codon reading guu encodes for valine.