에이티즈()가(subject marker) 꼽은(꼽다 select, pick + -은 adjective form for consonant verb stem ending) 뒤돌아 볼 것 같은(뒤돌아 보다 turn around andlook back + -ㄹ 것 같다 be likely to be same + -은adjective form for consonant verb stem ending) 향(scent)은(topic marker) (뭐what예요is)? The last one is the topic marker and the main verb of this sentence was skipped as in (뭐what예요is): What is the scent that 에이티즈 is most likely to pick and that most people would probably turn around and look back?)