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: Farrar, Straus and Giroux publish A Severed Wasp.
Example Output: A Severed Wasp

Example Input: The leader of the Eastern Province, Sri Lanka is Austin Fernando.
Example Output: Eastern Province, Sri Lanka

Example Input: Guadalajara is in the country of Mexico.
Example Output:
Guadalajara