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: When the thunder finally stopped, when the wind finally died, the shaking members of the Dark Council climbed back into their seats.

SOLUTION: Plural

PROBLEM: Red taillights suddenly pierced the darkness, and a black, full-size SUV pealed away from the curb.

SOLUTION: Plural

PROBLEM: The sheriff and doctor watch me closely as I admit, " I don't recognize it. "

SOLUTION:
Singular