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:
A mass of recruits had already gravitated to the Whites.

Ex Output:
Singular


Ex Input:
" No worries, I will see to that, eat up, nothing to be embarrassed about. "

Ex Output:
Plural


Ex Input:
Dogs ran out barking as they approached.

Ex Output:

Plural