The knife and motor are supported above the base plate by a frame.
( ( The ( ( knife and ) motor ) ) ( ( are ( ( supported ( above ( the ( base plate ) ) ) ) ( by ( a frame ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN knife) (CC and) (NN motor)) (VP (VBP are) (VP (VBN supported) (PP (IN above) (NP (DT the) (NN base) (NN plate))) (PP (IN by) (NP (DT a) (NN frame))))) (. .)))
The knife and motor are supported over the top plate.
( ( The ( ( knife and ) motor ) ) ( ( are ( supported ( over ( the ( top plate ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN knife) (CC and) (NN motor)) (VP (VBP are) (VP (VBN supported) (PP (IN over) (NP (DT the) (JJ top) (NN plate))))) (. .)))