Complex sentence: The main character of the story is Dave Mitchell, a 14-year-old who is growing up in mid- 20th century New York City.Dave is living with his father and his asthmatic mother and her attacks worsen when Dave and his father have their frequent arguments.
Split into simpler sentences: The main character of the story is Dave Mitchell, a 14-year-old who is growing up in mid- 20th century New York City. Dave lives with his father and his asthmatic mother and her attacks worsen when Dave and his father have their frequent arguments.