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.

Example Input: Most visitors landed at a nearby regional airport or rented a car at some major airport, like Philadelphia.
Example Output: Plural

Example Input: Both rats gave a polite nod at their name.
Example Output: Plural

Example Input: Our unit tried to defend itself, and now it is inoperative. "
Example Output:
Singular