's why sex and lucia is so alluring . 
(ROOT (S (VP (VBZ 's) (SBAR (WHADVP (WRB why)) (S (NP (NN sex) (CC and) (NN lucia)) (VP (VBZ is) (ADJP (RB so) (JJ alluring)))))) (. .)))
(ROOT (S (VP (VBZ ) (SBAR (WHADVP (WRB )) (S (NP (NN ) (CC ) (NN )) (VP (VBZ ) (ADJP (RB ) (JJ )))))) (. )))