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.

A clump of cobwebs sprouted from the rotten scalp, drifting slowly in the frozen wind.
Singular

A trickle of something simmered in my gut and the buzz of anxiety spread.
Singular

After Finn kissed me and practically wiped his mouth to remove my taste from his lips, my self-esteem had been lagging.

Singular