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: Closing the Ring is a 2007 movie.
Example Output: 2007

Example Input: Terrance Taylor played for michigan.
Example Output: Terrance Taylor

Example Input: The population density of Karangazi is 101 people/km^2 in 2012
Example Output:
Karangazi