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 spaghetti straps and the slit in the leg made the dress all the more impressive.
Plural

With a flounce of her skirts, the maid disappeared.
Singular

The gentleman at Customs glanced at his passport and waved him through.

Singular