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 five figures wore heavy, black cloaks that dragged along the ground.

SOLUTION: Plural

PROBLEM: The healers were closely monitoring Branden's condition, and there was one in the reception room of his suite when they arrived.

SOLUTION: Plural

PROBLEM: " I mean, just look at this detail : Multiple floors, staircases, doorways.

SOLUTION:
Plural