( ( A wedge ) ( ( is ( ( two ( inclined planes ) ) ( sandwiched together ) ) ) . ) )
(ROOT (S (NP (DT A) (NN wedge)) (VP (VBZ is) (NP (NP (CD two) (JJ inclined) (NNS planes)) (VP (VBG sandwiched) (ADVP (RB together))))) (. .)))
A wedge is two inclined planes sandwiched together.
(ROOT (S (NP (DT A) (NN wedge)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN for) (NP (NP (DT a) (JJ simple) (NN machine)) (SBAR (WHNP (WDT that)) (S (VP (VBZ consists) (PP (IN of) (NP (CD two) (JJ inclined) (NNS planes)))))))))) (. .)))