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: A Wizard of Mars is preceded by Wizards at War.
Example Output: A Wizard of Mars

Example Input: If the driver is Milka Duno, samax motorsport is the name of the team.
Example Output: Milka Duno

Example Input: William Anders served as a crew member on Apollo 8.
Example Output:
William Anders