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 copper haired girl sat up chuckling.
Singular

If I worked fast enough, adrenaline put up a wall between me and my throbbing headache.
Singular

The expressions on the faces of the human children ranged from startled to indignant that she would say such things about them.

Plural