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