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 bitch is crazy ! "
Example Output: Singular

Example Input: Again, congratulations passed back and forth until a happy silence fell back on the room.
Example Output: Plural

Example Input: " Who are the appropriate authorities in this case ? "
Example Output:
Plural