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: Shantou's Chinese spelling is 汕头.
Example Output: Shantou

Example Input: 1  Group is based 29 august
Example Output: 1

Example Input: Beef kway teow is found in the countries of Indonesia and Singapore.
Example Output:
Beef kway teow