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: Battsengel mangolian population 3818
Example Output: Battsengel

Example Input: The Unirea year is 1890.The Total is 5499
Example Output: 1890

Example Input: The song Dancing in the Moonlight was written by Magnet.
Example Output:
Dancing in the Moonlight