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 thud of his head connecting with the glass caused a satisfying crunching sound.
answer:
Singular


question:
the sergeant mused mostly to himself, and then to the young man : " What are his plans for us ? "
answer:
Singular


question:
Their exchanges are always entertaining for all of us.
answer:

Plural