Answer:
It goes from Interrogative pronoun, the word who, to a Possessive Pronoun, the word their.
Explanation:
In an academic story words such as "He ran" or "swiftly" reveal the action of the story. These verbs are the reason you can imagine the action and its pace in your head when you read.
Hope I helped,
-CSX :)
WAIT WHY WAS HIS ACCOUNT DELETED