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: Cortex assembly for genome and date
Example Output: Cortex

Example Input: University of Illinois, Urbana-Champaign was fourth place in 2002.
Example Output: 2002

Example Input: Middlesbrough exited administration in July of 1986.
Example Output:
Middlesbrough