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 was an immense scowl on her face.

Ex Output:
Singular


Ex Input:
" Identity cards - what if I need one ? "

Ex Output:
Plural


Ex Input:
Yellow police tape blocked public access to the alley.

Ex Output:

Singular