( ( ( The ( next ( small section ) ) ) ( of ( the spectrum ) ) ) ( ( are ( ( the rays ) ( known ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( as ( visible light ) ) -- ) ( from violet ) ) , ) ( to indigo ) ) , ) ( to blue ) ) , ) ( to green ) ) , ) ( to yellow ) ) , ) ( to orange ) ) , ) ( to red ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ next) (JJ small) (NN section)) (PP (IN of) (NP (DT the) (NN spectrum)))) (VP (VBP are) (NP (NP (DT the) (NNS rays)) (VP (VBN known) (PP (PP (IN as) (NP (JJ visible) (NN light))) (: --) (PP (IN from) (NP (NN violet))) (, ,) (PP (TO to) (NP (NN indigo))) (, ,) (PP (TO to) (NP (NN blue))) (, ,) (PP (TO to) (ADJP (JJ green))) (, ,) (PP (TO to) (NP (NN yellow))) (, ,) (PP (TO to) (NP (NN orange))) (, ,) (PP (TO to) (NP (VBG red))))))) (. .)))
The next small section of the spectrum are the rays known as visible light -- from violet, to indigo, to blue, to green, to yellow, to orange, to red.
(ROOT (S (NP (NN Violet) (CC and) (NN red)) (VP (VBP are) (NP (NP (CD two) (NNS types)) (PP (IN of) (NP (JJ visible) (NN light))))) (. .)))