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: Love fortified her weakness.

SOLUTION: Singular

PROBLEM: The off-duty homicide investigator put her napkin on the table, not realizing the impact of her words on the latecomers.

SOLUTION: Singular

PROBLEM: Many mothers put their little ones on a mind leash, but she felt hesitant to do so.

SOLUTION:
Plural