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: " Where is this maid now ? "

SOLUTION: Singular

PROBLEM: " The usual suspects manned the barricades, and they pelted us with stones and bricks.

SOLUTION: Plural

PROBLEM: Now, only the outline of the foundation was evident, while new grass attempted to consume the imprints.

SOLUTION:
Singular