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 creatures spread out, flying east, flying toward where they stood watching in dumbstruck awe.
Example Output: Plural

Example Input: As though the numerous pairs acted as one, the blades began to spin and then fly toward him.
Example Output: Plural

Example Input: The marina was an easy target.
Example Output:
Singular