( ( ( Type ( of work ) ) ( being performed ) ) . )
(ROOT (NP (NP (NP (NNP Type)) (PP (IN of) (NP (NN work)))) (VP (VBG being) (VP (VBN performed))) (. .)))
Type of work being performed.
(ROOT (S (NP (DT The) (JJ long) (NN bone)) (VP (VBP work) (PP (IN as) (NP (NN lever)))) (. .)))