( We ( ( can ( ( describe light ) ( in ( terms ( of ( its wavelength ) ) ) ) ) ) ; ) )
(ROOT (S (NP (PRP We)) (VP (MD can) (VP (VB describe) (NP (NN light)) (PP (IN in) (NP (NP (NNS terms)) (PP (IN of) (NP (PRP$ its) (NN wavelength))))))) (: ;)))
We can describe light in terms of its wavelength;
(ROOT (S (NP (JJ Visible) (NN light)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (NNS wavelengths)) (PP (IN of) (NP (JJ light) (NNS humans))))) (SBAR (S (VP (MD can) (VP (VB see))))))) (. .)))