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: Comet 13P/Olbers's orbital period (years) is 69.52.

SOLUTION: 13P/Olbers

PROBLEM: The average score for the contestant with swimsuit score of 8.266 was 8.506.

SOLUTION: 8.506

PROBLEM: The runway length of Alderney Airport is 877.

SOLUTION:
Alderney Airport