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: Things were going badly.

SOLUTION: Plural

PROBLEM: The shampoo and soap smelled so good.

SOLUTION: Singular

PROBLEM: A roar erupted throughout the room followed by the stomping of boots and a clanging of crockery.

SOLUTION:
Singular