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 van pulled up next to the plane.

SOLUTION: Singular

PROBLEM: Unseen to him, their pursuers followed.

SOLUTION: Plural

PROBLEM: Some movements were more exotic looking than others.

SOLUTION:
Plural