Answer:
Stacy and Ella
Explanation:
The "action" in the sentence is that they were college room mates, and Stacey and Ella were performing the action, so they are the subject.
Some examples include the different types of propaganda, which include the following. "Name-Calling" is the labeling of somebody as negative. "Glittering Generalities," which is the labeling of somebody as positive, in order to gain approval. "Transfer" is gaining approval by using positive symbols (ex: The American Flag).
Let me know if you want to know more about the other types of propaganda :)