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: What is the third male reprodutive structure after the penis and testes? Answer: epididymis
Example Output: Epididymis is the third male reprodutive structure after the penis and testes.

Example Input: Question: When substances pass through the cell membrane without needing any energy what is it called? Answer: passive transport
Example Output: When substances pass through the cell membrane without needing any energy, it is called passive transport.

Example Input: Question: A redox reaction rearranges what subatomic particles? Answer: electrons
Example Output:
A redox reaction rearranges the subatomic particles known as electrons.