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 senator was a skeptic, always has been.

Ex Output:
Singular


Ex Input:
" This fellow went on.

Ex Output:
Singular


Ex Input:
Black iron bars stretched across the window, and I knew they were for me.

Ex Output:

Plural