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: My sneakers let off an admittedly adorable perky sound as I marched back over to the sidelines.

SOLUTION: Plural

PROBLEM: Sarah was drunk so James wanted to take her then, however, there were too many witnesses.

SOLUTION: Plural

PROBLEM: This anonymity, this freedom, is something new for me.

SOLUTION:
Singular