( ( ( This type ) ( of work ) ) ( ( performs ( an ( important ( community function ) ) ) ) . ) )
(ROOT (S (NP (NP (DT This) (NN type)) (PP (IN of) (NP (NN work)))) (VP (VBZ performs) (NP (DT an) (JJ important) (NN community) (NN function))) (. .)))
This type of work performs an important community function.
(ROOT (S (NP (DT The) (JJ long) (NN bone)) (VP (VBP work) (PP (IN as) (NP (NN lever)))) (. .)))