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 father-in-law was so right when he asked me to wait a little with the police.

SOLUTION: Singular

PROBLEM: The power levels were way below what they used to be.

SOLUTION: Plural

PROBLEM: It was her earring, the simple bronze stud that she always wore.

SOLUTION:
Singular