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.

[Q]: The shadowy grotto had disappeared.
[A]: Singular


[Q]: The metal tube slipped and he fell back and rolled into the Irishman's lap.
[A]: Singular


[Q]: The doon's evil chuckle made Echo sick.
[A]:
Singular