it 's loud and boring ; watching it is like being trapped at a bad rock concert . 
(ROOT (S (S (NP (PRP it)) (VP (VBZ 's) (ADJP (JJ loud) (CC and) (JJ boring)))) (, ;) (S (S (VP (VBG watching) (NP (PRP it)))) (VP (VBZ is) (PP (IN like) (S (VP (VBG being) (VP (VBN trapped) (PP (IN at) (NP (DT a) (JJ bad) (NN rock) (NN concert))))))))) (. .)))
(ROOT (S (S (NP (PRP )) (VP (VBZ ) (ADJP (JJ ) (CC ) (JJ )))) (, ) (S (S (VP (VBG ) (NP (PRP )))) (VP (VBZ ) (PP (IN ) (S (VP (VBG ) (VP (VBN ) (PP (IN ) (NP (DT ) (JJ ) (NN ) (NN ))))))))) (. )))