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: A.S. Livorno Calcio played in the 2014 season.
Example Output: A.S. Livorno Calcio

Example Input: AEK Athens F.C. has 69618 members.
Example Output: AEK Athens F.C.

Example Input: Thomas Plater is a Federalist.
Example Output:
Thomas Plater