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 chorus of Hear, hear met his pronouncement.

SOLUTION: Singular

PROBLEM: With a flounce of her skirts, the maid disappeared.

SOLUTION: Singular

PROBLEM: Things just don't add up right. "

SOLUTION:
Plural