( ( This definition ) ( ( ( gives ( every object ) ) ( a ( velocity-dependent mass ) ) ) . ) )
(ROOT (S (NP (DT This) (NN definition)) (VP (VBZ gives) (NP (DT every) (NN object)) (NP (DT a) (JJ velocity-dependent) (NN mass))) (. .)))
This definition gives every object a velocity-dependent mass.
(ROOT (S (NP (JJ Instantaneous) (NN velocity)) (VP (VBZ is) (VP (VBN defined) (PP (IN as) (NP (NP (DT the) (NN velocity)) (PP (IN of) (NP (DT the) (NN object))))) (PP (IN at) (NP (DT a) (VBN given) (NN moment))))) (. .)))