( ( ( ( the application ) ( of ( ( gears and ) levers ) ) ) ( to ( perform work ) ) ) . )
(ROOT (NP (NP (DT the) (NN application)) (PP (IN of) (NP (NNS gears) (CC and) (NNS levers))) (S (VP (TO to) (VP (VB perform) (NP (NN work))))) (. .)))
the application of gears and levers to perform work.
(ROOT (S (NP (DT The) (JJ long) (NN bone)) (VP (VBP work) (PP (IN as) (NP (NN lever)))) (. .)))