is more frustrating than a modem that disconnects every 10 seconds 
(ROOT (VP (VBZ is) (ADJP (ADJP (RBR more) (JJ frustrating)) (PP (IN than) (NP (NP (DT a) (NN modem)) (SBAR (WHNP (WDT that)) (S (VP (VBZ disconnects) (NP (DT every) (CD 10) (NNS seconds))))))))))
(ROOT (VP (VBZ ) (ADJP (ADJP (RBR ) (JJ )) (PP (IN ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (NP (DT ) (CD ) (NNS ))))))))))