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: The process technology of the Intel WiFi Link 5100 wireless LAN's 45 n m.
Example Output: Intel WiFi Link 5100

Example Input: real zaragoza team is winner in 1979.
Example Output: 1979

Example Input: Tomato belongs to the family of solanaceae.
Example Output:
Tomato