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 fights were widespread and included both high schools and colleges.

SOLUTION: Plural

PROBLEM: There was no quad, never had been a Henning's Café, and certainly no door on the left.

SOLUTION: Singular

PROBLEM: In the distance were dense mountain forests that seemed to embrace and protect the valley below.

SOLUTION:
Plural