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 power levels were way below what they used to be.

SOLUTION: Plural

PROBLEM: Thoughts of Earl only brought up images of his face, spewing with rage.

SOLUTION: Plural

PROBLEM: A ramp in the hallway made a sharp incline upward leading toward the sounds of fighting, but also to the light.

SOLUTION:
Singular