Which of the following sentences does NOT possess parallel structure?
At the end of the novel, the conflicts are resolved and outcomes are pleasing to readers.
Each of the stories has strong protagonists, has timeless themes, and has realistic conflicts.
During the school year, Cassie struggled with several subjects, including performing on math tests, developing good work habits, and studying every night.
In the story, the protagonist faced conflicts, including falling off a boat, being held captive, and running for his life.