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 secreted before ejaculation to neutralize acidic urine remaining in the urethra? Answer: clear mucus
Example Output: Clear mucus is secreted before ejaculation to neutralize acidic urine remaining in the urethra.

Example Input: Question: What property of carbon and other elements can be used to date fossils and rocks, among other things? Answer: half-life
Example Output: Half-life property of carbon and other elements can be used to date fossils and rocks, among other things.

Example Input: Question: Because the current is alternating, the magnetic field of the iron core keeps doing what? Answer: reversing
Example Output:
Because the current is alternating, the magnetic field of the iron core keeps doing reversing.