( Light ( ( can ( be ( ( ( ( reflected , ) ( ( ( refracted , ) scattered ) , ) ) or ) ( absorbed ( by matter ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Light)) (VP (MD can) (VP (VB be) (VP (VP (VBN reflected)) (, ,) (VP (VBN refracted) (, ,) (VBN scattered) (, ,)) (CC or) (VP (VBN absorbed) (PP (IN by) (NP (NN matter))))))) (. .)))
Light can be reflected, refracted, scattered, or absorbed by matter.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NN light)) (VP (VBZ meets) (NP (NN matter))))) (, ,) (NP (PRP it)) (VP (MD may) (VP (VB be) (VP (VP (VBN reflected)) (, ,) (VP (VBN transmitted)) (, ,) (CC or) (VP (VBN absorbed))))) (. .)))