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.

Example Input: Kids and teachers swarmed the area like a bunk of flies to a Bar-B-Q.
Example Output: Plural

Example Input: I couldn't see Russ anymore, couldn't even hear his screams over the grinding of the massive machine.
Example Output: Singular

Example Input: The agony drained away.
Example Output:
Singular