TASK DEFINITION: In this task you are given a sentence. You must judge whether the object of the main clause is singular(like: apple) or plural(like: apartments). Label the instances as "Singular" or "Plural" based on your judgment.
PROBLEM: Most of it has long since stopped functioning, of course, as the people who knew how to repair it are long dead.

SOLUTION: Singular

PROBLEM: She was herself again - no more fox.

SOLUTION: Singular

PROBLEM: She felt a pang of regret.

SOLUTION:
Singular