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: People from South Africa can say they are from South Africa.
Example Output: South Africa

Example Input: 36,039 people inhabit Casale Monferrato.
Example Output: Casale Monferrato

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