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: Shouts and prodding spears made it very clear that the prisoners' break was over.

SOLUTION: Plural

PROBLEM: " Only girlfriends do that. "

SOLUTION: Plural

PROBLEM: The coils of the rope loosened, sliding down to encircle her neck.

SOLUTION:
Plural