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.

The large mansions, which lined both sides of the street, bore stately and placid witness to their conversation.
Plural

Her latest release, Jumping Ship, is a dedication to her country of birth and an introductory novella to the Island Hopping Series.
Singular

The villa was on a lake and far from other houses.

Singular