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: In 2000, he placed 7th in the mass start competition.
Example Output: 2000

Example Input: Weymouth Sands' author was John Cowper Powys.
Example Output: Weymouth Sands

Example Input: The size of the L3 cache in Itanium 2 9020 is 12 MB
Example Output:
Itanium 2 9020