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.

[EX Q]: Your skills are impeccable, but this program involves strict discipline.
[EX A]: Plural

[EX Q]: But all these actions he had performed mechanically.
[EX A]: Plural

[EX Q]: A network of silvery veins existed under the semi-transparent shell.
[EX A]:
Singular