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: How did the other board members not know what Neilson truly was ? "

A: Plural
****
Q: " Where are the wipers ? "

A: Plural
****
Q: The mayor mulled that over.

A:
Singular
****