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: 11 Diagonal Street has a floor area of 1200 square metres.
Example Output: 11 Diagonal Street

Example Input: April 23	Los Angeles	El Salvador	Drawn Xiao Zhanbo
Example Output: April 23

Example Input: The population of Chittorgarh is 1544392.
Example Output:
Chittorgarh