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.

Her aura, which moments before was clear and bright, was suddenly cloudy with a burst of mustard color.
Singular

Nausea simmered in my gut.
Singular

There is a click before I can say anything else.

Singular