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

Example Input: Ted Williams Highway is on route 9.
Example Output: Ted Williams Highway

Example Input: Involved where John J. Delaney is the sitting Representative is democratic.
Example Output:
John J. Delaney