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: Why do birds need a light-weight body? Answer: to stay aloft

Output: Birds need a light-weight body for to stay aloft.


Input: Consider Input: Question: When food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin? Answer: ph

Output: Ph food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin.


Input: Consider Input: Question: The stomach mucosa’s epithelial lining consists only of surface mucus cells, which secrete a protective coat of what? Answer: alkaline mucus


Output: The stomach mucosa’s epithelial lining consists only of surface mucus cells, which secrete a protective coat of alkaline mucus.