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: The green LED on the bottom right of the screen turned red.

SOLUTION: Singular

PROBLEM: Her garage was behind it ; then there were two more houses stuck back there on the left.

SOLUTION: Singular

PROBLEM: The halting, quiet strains of her voice filtered across the room.

SOLUTION:
Plural