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.

A heavy gloom fell over Reuben.
Singular

" Because a woman who loves selflessly, eternally - that's his true wealth.
Singular

The bay is a large dimly lit room with a dozen round trap doors in the floor.

Singular