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: He kept his goggles up.

SOLUTION: Plural

PROBLEM: The sound had emanated from Arnold the scientist : clearly, whatever Reg had been whispering in his ear had amused him greatly.

SOLUTION: Singular

PROBLEM: I have identified three dozen who have great potential. "

SOLUTION:
Singular