Please help, which is a run on sentence?

(important to read ender's game before answering) in what ways can people be both intelligent and foolish at the same time? how does the author show ender’s intelligence enabling him to fight against authority? make sure your ideas are well-organized and clear. review your word choice and make sure supports your purpose. edit by correcting errors in spelling and grammar and give your work a final polish.

What if the author had used “looked at” instead? punishment would be deemphasized. punishments would be seen as less harsh. the meaning wouldn't change.

Which statement is most accurate regarding the speaking-writing connection? a. written words seldom reflect the words people use when they speak. b. to own a word, write it over and over again. c. the words used by writers are not normally used in speaking. d. to own a word, speak it.