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 ISBN number is "978-0-15-204770-2".
Example Output: A Wizard of Mars

Example Input: The 1400 m was held in Pinjarra.
Example Output: Pinjarra

Example Input: The Eagle provides fast-food with a high customer rating of 5 out of 5
Example Output:
The Eagle