( ( A ( blue object ) ) ( ( ( is blue ) ( because ( ( the object ) ( absorbed ( ( the ( other wavelengths ) ) ( of ( ( the light ) ( ( leaving ( only ( the ( blue light ) ) ) ) ( to reflect ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (JJ blue) (NN object)) (VP (VBZ is) (ADJP (JJ blue)) (SBAR (IN because) (S (NP (DT the) (NN object)) (VP (VBD absorbed) (NP (NP (DT the) (JJ other) (NNS wavelengths)) (PP (IN of) (NP (NP (DT the) (NN light)) (VP (VBG leaving) (NP (RB only) (DT the) (JJ blue) (NN light)) (S (VP (TO to) (VP (VB reflect)))))))))))) (. .)))
A blue object is blue because the object absorbed the other wavelengths of the light leaving only the blue light to reflect.
(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)))))))) (. .)))