This task is about identifying the subject of a given sentence. The subject of a sentence is the person, place, or thing that is performing the action of the sentence. The subject represents what or whom the sentence is about. Each sentence in this task is guaranteed to contain a single subject. The input is a sentence and the output is the identified subject of that sentence.

Example Input: The Atlantic City International Airport serves Atlantic City, N.J.
Example Output: Atlantic City International Airport

Example Input: Darius Hamilton went in Don Bosco Preparatory High School.
Example Output: Darius Hamilton

Example Input: Jorge Humberto Rodríguez is a member of the El Salvador national football team.
Example Output:
Jorge Humberto Rodríguez