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: Those banks generally don't carry as much cash, but they usually don't have as many security guards, either. "
Example Output: Plural

Example Input: " Those aliens attacked us, and earth was destroyed because of what they did.
Example Output: Plural

Example Input: Three letters appeared on the chalkboard.
Example Output:
Plural