( ( ( A ( work contract ) ) ( whereby ( ( the student ) ( is ( required ( to ( perform ( ( some type ) ( of work ) ) ) ) ) ) ) ) ) ( function . ) )
(ROOT (S (NP (NP (DT A) (NN work) (NN contract)) (SBAR (WHADVP (WRB whereby)) (S (NP (DT the) (NN student)) (VP (VBZ is) (VP (VBN required) (S (VP (TO to) (VP (VB perform) (NP (NP (DT some) (NN type)) (PP (IN of) (NP (NN work)))))))))))) (VP (VBP function)) (. .)))
A work contract whereby the student is required to perform some type of work function.
(ROOT (S (NP (DT The) (JJ long) (NN bone)) (VP (VBP work) (PP (IN as) (NP (NN lever)))) (. .)))