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: Resistance then generally collapsed and the criminal gangs nearly all turned themselves in.

SOLUTION: Singular

PROBLEM: The planes were overhead.

SOLUTION: Plural

PROBLEM: The other mages would never accept him.

SOLUTION:
Plural