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: He played for Oklahoma in the Big 12.
Example Output: Oklahoma

Example Input: Christian Panucci has been manager of A S Livorno Calcio.
Example Output: Christian Panucci

Example Input: The floor area of Addis Ababa City Hall is 140000.0 (square metres).
Example Output:
Addis Ababa City Hall