like a medium-grade network sitcom -- mostly inoffensive 
(ROOT (PP (IN like) (NP (NP (DT a) (NML (JJ medium) (HYPH -) (NN grade)) (NN network) (NN sitcom)) (, --) (ADJP (RB mostly) (JJ inoffensive)))))
(ROOT (PP (IN ) (NP (NP (DT ) (NML (JJ ) (HYPH ) (NN )) (NN ) (NN )) (, ) (ADJP (RB ) (JJ )))))