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.

Input: Consider Input: Question: Calcium ion is an example of what kind of messenger? Answer: second

Output: Calcium ion is an example of a second messenger.

Input: Consider Input: Question: Carbon dioxide molecules consist of a central carbon atom bonded to how many oxygen atoms? Answer: two

Output: Carbon dioxide molecules consist of a central carbon atom bonded to two oxygen atoms.

Input: Consider Input: Question: What are seamounts that rise above the water surface called? Answer: islands
Output: Seamounts that rise above the water surface are called islands.