TASK DEFINITION: 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.
PROBLEM: Oscuro was detonated to test weapons development.

SOLUTION: Oscuro

PROBLEM: The average score for the contestant from Pennsylvania was 8.366.

SOLUTION: Pennsylvania

PROBLEM: 300 North LaSalle is in Illinois.

SOLUTION:
300 North LaSalle