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: Who lack some of the defining traits of chordates? Answer: adult humans

Ex Output:
Adult humans lack some of the defining traits of chordates.


Ex Input:
Question: The concentration of hydrogen ions in a solution is called? Answer: acidity

Ex Output:
The concentration of hydrogen ions in a solution is called acidity.


Ex Input:
Question: What has increased in the atmosphere throughout the history of the earth? Answer: oxygen

Ex Output:

Oxygen has increased in the atmosphere throughout the history of the earth.