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: A heavy gloom fell over Reuben.

SOLUTION: Singular

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: Shane's momentum brought him to the railing a split second later.

SOLUTION:
Singular