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.

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

Their shared orgasm left them spent and still connected, hugging each other while their breathing slowly returned to normal.
Singular

The werewolves burst through the door and whipped theirs heads around.

Plural