Final answer:
John Messner's character is developed through a sentence that suggests his indifference and loss of motivation.
Step-by-step explanation:
John Messner's character is developed in the sentence 'John Messner seemed succumbing to the apathy.' This sentence suggests that John Messner is becoming indifferent or lacking interest in his surroundings. It implies that he may be experiencing a loss of motivation or enthusiasm.
Learn more about character development in a story