( ( In ( ( a toaster ) ( of ( this type ) ) ) ) ( , ( ( ( ( ( the ( operating lever ) ) , ) ( which ( performs ( ( the function ) ( of ( ( lowering ( the bread ) ) ( into ( the oven ) ) ) ) ) ) ) ) , ) ( ( closes ( ( ( ( the ( electrical circuit ) ) and ) winds ) ( ( the ( timing mechanism ) ) ( which ( ( is automatically ) ( locked ( until ( released ( at ( ( the end ) ( of ( the ( correct ( time interval ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (DT a) (NN toaster)) (PP (IN of) (NP (DT this) (NN type))))) (, ,) (NP (NP (DT the) (VBG operating) (NN lever)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ performs) (NP (NP (DT the) (NN function)) (PP (IN of) (S (VP (VBG lowering) (NP (DT the) (NN bread)) (PP (IN into) (NP (DT the) (NN oven)))))))))) (, ,)) (VP (VBZ closes) (S (NP (NP (DT the) (JJ electrical) (NN circuit)) (CC and) (NP (NNS winds))) (NP (NP (DT the) (NN timing) (NN mechanism)) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (ADVP (RB automatically)) (VP (VBN locked) (SBAR (IN until) (S (VP (VBN released) (PP (IN at) (NP (NP (DT the) (NN end)) (PP (IN of) (NP (DT the) (JJ correct) (NN time) (NN interval))))))))))))))) (. .)))
In a toaster of this type, the operating lever, which performs the function of lowering the bread into the oven, closes the electrical circuit and winds the timing mechanism which is automatically locked until released at the end of the correct time interval.
(ROOT (S (NP (DT The) (JJ long) (NN bone)) (VP (VBP work) (PP (IN as) (NP (NN lever)))) (. .)))