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: In 1994, the unemployment rate was 2.9 percent.
Example Output: 1994

Example Input: Poaceae belongs to the order of Commelinids.
Example Output: Poaceae

Example Input: In the 59th game, Antonio Davis scored a game-high 8 assists
Example Output:
59