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.

His concentration since Iseo left Compostela fell completely to his training.
Singular

Most visitors landed at a nearby regional airport or rented a car at some major airport, like Philadelphia.
Plural

A brief, shimmering shield flared between us and her, just barely absorbing the small glowing darts she hurled our way.

Singular