( ( Opaque bodies ) ( ( ( ( ( ( permit ( no light ) ) ( to ( pass ( through them ) ) ) ) , ) but ) ( reflect light ) ) . ) )
(ROOT (S (NP (JJ Opaque) (NNS bodies)) (VP (VP (VBP permit) (NP (DT no) (NN light)) (S (VP (TO to) (VP (VB pass) (PP (IN through) (NP (PRP them))))))) (, ,) (CC but) (VP (VBP reflect) (ADJP (JJ light)))) (. .)))
Opaque bodies permit no light to pass through them, but reflect light.
(ROOT (S (NP (NNP Opaque)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NN matter))) (SBAR (WHNP (WDT that)) (S (VP (VBZ does) (RB not) (VP (VB let) (NP (DT any) (JJ light) (NN pass)) (PRT (RP through)))))))) (. .)))