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: If I worked fast enough, adrenaline put up a wall between me and my throbbing headache.
Example Output: Singular

Example Input: " Souls sometimes arrive here a little messed up.
Example Output: Plural

Example Input: " All ticketed passengers should now be in the Blue Concourse sleep lounge.
Example Output:
Plural