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 thud of his head connecting with the glass caused a satisfying crunching sound.

SOLUTION: Singular

PROBLEM: The man's chiseled jaw.

SOLUTION: Singular

PROBLEM: This particular page began with a single paragraph that took all the wind out of her sails.

SOLUTION:
Singular