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: Which of the following questions is testable in a scientific investigation? Answer: Are cats more active at night than during the day?.
Example Output: Are cats more active at night than during the day? of the following questions is testable in a scientific investigation.

Example Input: Question: What determines the color of visible light? Answer: exact wavelength
Example Output: Exact wavelength determines the color of visible light.

Example Input: Question: What are gymnosperms lacking compared to most angiosperms? Answer: vessel elements
Example Output:
Vessel elements are gymnosperms lacking compared to most angiosperms.