, they prove more distressing than suspenseful . 
(ROOT (S (, ,) (NP (PRP they)) (VP (VBP prove) (S (ADJP (ADJP (RBR more) (JJ distressing)) (PP (IN than) (ADJP (JJ suspenseful)))))) (. .)))
(ROOT (S (, ) (NP (PRP )) (VP (VBP ) (S (ADJP (ADJP (RBR ) (JJ )) (PP (IN ) (ADJP (JJ )))))) (. )))