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: Inside the box was a pencil -- a yellow, wooden pencil, with a graphite lead.

SOLUTION: Singular

PROBLEM: As though the numerous pairs acted as one, the blades began to spin and then fly toward him.

SOLUTION: Plural

PROBLEM: The tip of him rubbed around the edge, so close, but not inside.

SOLUTION:
Singular