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: I had a responsibility to my brothers and to my family.

SOLUTION: Singular

PROBLEM: Dirt stains and all.

SOLUTION: Plural

PROBLEM: This man knew his drugs.

SOLUTION:
Plural