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 back yard was essentially a long sweeping lawn with pockets of ruddy sand dunes and rocks running into the wild ocean.

Ex Output:
Singular


Ex Input:
Their shared orgasm left them spent and still connected, hugging each other while their breathing slowly returned to normal.

Ex Output:
Singular


Ex Input:
In single file, the drop bay empties of personnel until all that is left is Red and Captain Drake.

Ex Output:

Singular