It's good to help someone with their homework.
Kennedy is at the library during a study hour with other students and friends in her class.
Kennedy wants to study to be prepared for class.
Kennedy partners up with a friend, so they can quiz each other back and forth on the subject.
Kennedy finds a quiet corner and keeps to herself while reading material from the class.
Kennedy benefits from the mutual back and forth help and does well in the class.
Kennedy inadvertently studies the wrong chapter and doesn't realize it until it is too late.