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

Example Input: Thinking of it made Elaina snort -- as if he had any choice !
Example Output: Singular

Example Input: Romulus lifted his head from between his paws and let out a small whine.
Example Output:
Plural