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: Bobbie Phillips acted in the television series They Came from Outer Space during the episode Hair Today Gone Tomorrow.
Example Output: They Came from Outer Space

Example Input: The fastest lap at the Mexican Grand Prix was nigel mansell.
Example Output: Mexican Grand Prix

Example Input: William Anders was born in British Hong Kong.
Example Output:
William Anders