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.

These two factors led the next generation of World Government officials to make certain alterations to Project Cleanse.
Plural

Doors littered the floor, shattered glass cracked and splintered beneath their feet.
Plural

Another policeman is on the way. "

Singular