instruction:
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.
question:
The shadowy grotto had disappeared.
answer:
Singular


question:
In desperation the sliver thrust out a spear of malevolence into its nearest thrall.
answer:
Singular


question:
Her resolve quickly flagged as the tingles matured to delicious tremors.
answer:

Singular