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: Heather's attempts at getting him to listen never worked.
Example Output: Plural

Example Input: A loud boom shook through the ship, shaking more frost atop them.
Example Output: Singular

Example Input: But, like David Koresh and Jim Jones before him, his audacity knew no bounds.
Example Output:
Singular