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 off-duty homicide investigator put her napkin on the table, not realizing the impact of her words on the latecomers.

Ex Output:
Singular


Ex Input:
The copper haired girl sat up chuckling.

Ex Output:
Singular


Ex Input:
His difficulty was how to express his doubts to this ardent suffering creature.

Ex Output:

Singular