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.

Ex Input:
Question: What is the name of the location in which a stream or river starts? Answer: source

Ex Output:
Source is the name of the location in which a stream or river starts.


Ex Input:
Question: What is formed when a subducting plate flows under another tectonic plate? Answer: volcanic arc

Ex Output:
A volcanic arc is formed when a subducting plate flows under another tectonic plate.


Ex Input:
Question: The cell starting meiosis is called a what? Answer: primary oocyte

Ex Output:

The cell starting meiosis is called a primary oocyte.