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:
Alan Shepard was a crew member of Apollo 14.
answer:
Alan Shepard


question:
The largest city in Turkey is Istanbul.
answer:
Turkey


question:
Incumbent Howard Coble belonged to republican.
answer:

Howard Coble