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: Those banks generally don't carry as much cash, but they usually don't have as many security guards, either. "

SOLUTION: Plural

PROBLEM: His footsteps echoed like a death knell when he walked away.

SOLUTION: Plural

PROBLEM: A gleam of uncanny ire reared itself in Pope's eyes.

SOLUTION:
Singular