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.

Input: Consider Input: Alan Bean's full name was "Alan LaVern Bean".

Output: Alan Bean


Input: Consider Input: Lake Constance's neighboring countries include St. Gallen, Thurgau, Austria, Germany

Output: Lake Constance


Input: Consider Input: End date (last night) for the season of 1918 was saturday 19 october.


Output: 1918