Which word is a contraction sits books isn't chairs

Which statement best explains douglass's purpose

On what evidence did you base your predictions? check the four boxes that apply. there is a rope around his neck. he is in alabama. his hands are tied behind his back. he is standing high above a river. the bridge is for railroads. some crimes are punished by hanging.

Which statement best describes an example of irony from chapters 22 and 23 of the adventures of huckleberry finn