( it ( ( can ( be ( induced ( ( ( ( ( by ( ultraviolet light ) ) , ) but ) not ) ( with ( visible light ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP it)) (VP (MD can) (VP (VB be) (VP (VBN induced) (PP (PP (IN by) (NP (JJ ultraviolet) (NN light))) (, ,) (CC but) (RB not) (PP (IN with) (NP (JJ visible) (NN light))))))) (. .)))
it can be induced by ultraviolet light, but not with visible light.
(ROOT (S (NP (PRP We)) (VP (VBP call) (NP (DT the) (JJ only) (NN light)) (SBAR (IN that) (S (NP (NNS people)) (VP (MD can) (VP (VB see) (NP (JJ visible) (NN light))))))) (. .)))