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: Besides the concentration of dissolve oxygen and nutrients in the water, what other factor limits aquatic organisms? Answer: availability of sunlight
Example Output: Besides the concentration of dissolve oxygen and nutrients in the water, the availability of sunlight limits aquatic organisms.

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: Where does an object gain or lose it's energy to during travel through a potential difference? Answer: electric field
Example Output:
Electric field does an object gain or lose it's energy to during travel through a potential difference.