presents a frightening and compelling ` what if 
(ROOT (VP (VBZ presents) (NP (DT a) (ADJP (JJ frightening) (CC and) (JJ compelling)) (`` `) (WP what) (IN if))))
(ROOT (VP (VBZ ) (NP (DT ) (ADJP (JJ ) (CC ) (JJ )) (`` ) (WP ) (IN ))))