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.

Q: Out on the river there were several flashlights.

A: Plural
****
Q: A loud boom shook through the ship, shaking more frost atop them.

A: Singular
****
Q: Mario's restaurants are just a cover and a tax dodge. "

A:
Plural
****