In this task you are given a sentence. You must judge whether subject of the main clause is singular or plural. Label the instances as "Singular" or "Plural" based on your judgment.

Q: The valet pulled the car up and my parents helped me into the backseat of their rental car.

A: Singular
****
Q: Suddenly, the Tom Cat veered in another direction.

A: Singular
****
Q: Classes must have let out, because the halls began to flood with girls.

A:
Plural
****