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 Input:
The thud of his head connecting with the glass caused a satisfying crunching sound.

Ex Output:
Singular


Ex Input:
His thrusts strengthened as the animal in him gradually broke free of its cage.

Ex Output:
Plural


Ex Input:
So the old school note writing is what I do from time to time instead of texting or e-mailing friends.

Ex Output:

Singular