( ( TRANSPARENT ( Transparent materials ) ) ( ( allow ( light ( to ( ( ( pass through ) them ) ( without ( diffusing ( -LRB- ( ( scattering -RRB- ) ( the light ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP TRANSPARENT) (NNP Transparent) (NNS materials)) (VP (VBP allow) (ADJP (JJ light) (S (VP (TO to) (VP (VB pass) (PRT (RP through)) (NP (PRP them)) (PP (IN without) (S (VP (VBG diffusing) (S (-LRB- -LRB-) (NP (NN scattering)) (-RRB- -RRB-) (NP (DT the) (NN light))))))))))) (. .)))
TRANSPARENT Transparent materials allow light to pass through them without diffusing (scattering) the light.
(ROOT (S (NP (JJ Transparent) (NN matter)) (VP (VBZ transmits) (ADJP (JJ light) (PP (IN without) (S (VP (VBG scattering) (NP (PRP it))))))) (. .)))