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: AFC Ajax played in the 2014 season.
Example Output: AFC Ajax

Example Input: The fastest lap at the Mexican Grand Prix was nigel mansell.
Example Output: Mexican Grand Prix

Example Input: Denmark language is Danish language.
Example Output:
Denmark