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 database, he believes, has not physically disappeared as first thought.

Ex Output:
Singular


Ex Input:
My teacher shifted uncomfortably.

Ex Output:
Singular


Ex Input:
Reality didn't matter.

Ex Output:

Singular