( ( ( A substance ) ( that ( appears blue ) ) ) ( ( is ( ( ( ( transmitting or ) ( ( reflecting ( blue light ) ) ( to ( the eye ) ) ) ) and ) ( absorbing ( ( other colors ) ( of ( ( the ( white light ) ) ( that ( ( are not ) blue ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN substance)) (SBAR (WHNP (WDT that)) (S (VP (VBZ appears) (ADJP (JJ blue)))))) (VP (VBZ is) (VP (VP (VBG transmitting)) (CC or) (VP (VBG reflecting) (NP (JJ blue) (NN light)) (PP (TO to) (NP (DT the) (NN eye)))) (CC and) (VP (VBG absorbing) (NP (NP (JJ other) (NNS colors)) (PP (IN of) (NP (NP (DT the) (JJ white) (NN light)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (RB not) (ADJP (JJ blue))))))))))) (. .)))
A substance that appears blue is transmitting or reflecting blue light to the eye and absorbing other colors of the white light that are not blue.
(ROOT (S (NP (DT A) (JJ blue) (NN block)) (VP (VBZ appears) (ADJP (JJ blue) (PP (IN in) (NP (DT the) (NN sunlight)))) (SBAR (IN if) (S (NP (RB only) (JJ blue) (NN light)) (VP (VBZ is) (VP (VBN reflected) (PP (IN by) (NP (DT the) (NN block)))))))) (. .)))