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 ambassador was an ally and friend, who owed his post in Washington, D.C. to the Owl's influence and discreet lobbying.

Ex Output:
Singular


Ex Input:
There's a mumbling from the heap.

Ex Output:
Singular


Ex Input:
There were several couples outside, strolling the stone terrace, but she didn't see Samuel's distinctive silhouette.

Ex Output:

Plural