TASK DEFINITION: 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.
PROBLEM: The large mansions, which lined both sides of the street, bore stately and placid witness to their conversation.

SOLUTION: Plural

PROBLEM: " The bastard went through the back bushes before I even got outside. "

SOLUTION: Singular

PROBLEM: Then he knelt beside her, unshaven face close to hers, breath vile.

SOLUTION:
Singular