( ( ( ( Weight Force ) ( on ( an object ) ) ) ( due ( to gravity ) ) ) . )
(ROOT (NP (NP (NP (NNP Weight) (NNP Force)) (PP (IN on) (NP (DT an) (NN object)))) (ADJP (JJ due) (PP (TO to) (NP (NN gravity)))) (. .)))
Weight Force on an object due to gravity.
(ROOT (S (NP (NNP Weight)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (NN measure)) (PP (IN of) (NP (NP (DT the) (NN force)) (PP (IN of) (NP (NP (NN gravity)) (VP (VBG pulling) (PRT (RP down)) (PP (IN on) (NP (DT an) (NN object)))))))))))) (. .)))