( ( wavelengths ( ( shorter ( than visible ) ) light ) ) . )
(ROOT (S (VP (VB wavelengths) (NP (ADJP (JJR shorter) (IN than) (JJ visible)) (NN light))) (. .)))
wavelengths shorter than visible light.
(ROOT (S (NP (JJ Exact) (NN wavelength)) (VP (VBZ determines) (NP (NP (DT the) (NN color)) (PP (IN of) (NP (JJ visible) (NN light))))) (. .)))