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: The planes were overhead.
Example Output: Plural

Example Input: " Where did all this wisdom finally come from ? "
Example Output: Singular

Example Input: Doors littered the floor, shattered glass cracked and splintered beneath their feet.
Example Output:
Plural