Find the word which is different. Explain your choice, a) to protest, to reject, to rebel, to conform b) violent, liberal, aggressive, shocking

(may be some other variants, hut they should be explained)

to conform (all the rest show negative attitude);

liberal (all the rest show negative attitude);

rebellious (all the rest describe a volunteer);

classic (all the rest are music styles popular with teens);

punk (all the rest are organisations)