instruction:
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.
question:
Belgium's leader is Charles Michel.
answer:
Belgium


question:
Nerlens noel (4 had all of the blocks in 2012.
answer:
2012


question:
Preferente is the 5th Tier of the Spanish football league system.
answer:

5