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:
There's the click of the front door opening and I'm suddenly terrified of what will happen when Lucy sees my father.

Ex Output:
Singular


Ex Input:
A heavy gloom fell over Reuben.

Ex Output:
Singular


Ex Input:
Now the vials and measuring instruments were threatening.

Ex Output:

Plural