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 American Journal of Mathematics is also known by the abbreviated title of Am. J. Math.
Example Output: American Journal of Mathematics

Example Input: The original air date of "kiss the girls and make them die was october11,1990".
Example Output: kiss the girls and make them die

Example Input: Buzz Aldrin was a fighter pilot.
Example Output:
Buzz Aldrin