Sentence:Thus, we have set-up, early on, a familiar literary dynamic --- two [e1]compeers[/e1] of different [e2]ages[/e2] thrown together: Huck Finn and Nigger Jim, Holden Caufield and sister Phoebe, hell --- maybe even Dmitri Karamazov and Alyosha (or, if we stretch it far enough, Falstaff and Prince Hal).
 e1: compeers. 
 e2 : ages.
Answer: Other