What should the readers pay attention to is how the characters say, behave and feel in every line or how they were able to react in each scene or part. This will allow them to notice how the characters evolve or how they were able to develop in each scenario that is happening on the character's life as the story goes. For this is essential in reading a story or a book.
Madeline wanders in a distant hallway while looking at the horizon in despair. (COMPLEX SENTENCE) 1. Madeline wanders in a distant hallway although her feet can't take the route anymore. (COMPOUND-COMPLEX SENTENCE) 2. usher sings a melancholy song with an unknown melody, although the meaning was clear. (COMPLEX SENTENCE).