( ( The laser ) ( ( is ( ( an ( intense ( light beam ) ) ) ( that ( can ( be ( ( ( concentrated ( into ( a ( narrow ray ) ) ) ) , ) ( containing ( ( ( ( only ( one color ) ) ( -LRB- ( red -RRB- ) ) ) or ) ( wavelength ( of light ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN laser)) (VP (VBZ is) (NP (NP (DT an) (JJ intense) (JJ light) (NN beam)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB be) (VP (VBN concentrated) (PP (IN into) (NP (DT a) (JJ narrow) (NN ray))) (, ,) (S (VP (VBG containing) (NP (NP (RB only) (CD one) (NN color)) (PRN (-LRB- -LRB-) (ADJP (JJ red)) (-RRB- -RRB-)) (CC or) (NP (NP (NN wavelength)) (PP (IN of) (NP (NN light)))))))))))))) (. .)))
The laser is an intense light beam that can be concentrated into a narrow ray, containing only one color (red) or wavelength of light.
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (DT a) (NN device)) (SBAR (WHNP (WDT that)) (S (VP (VBZ produces) (NP (NP (DT a) (ADJP (RB very) (VBN focused)) (NN beam)) (PP (IN of) (NP (NP (JJ visible) (NN light)) (PP (IN of) (NP (NP (RB just) (CD one) (NN wavelength)) (CC and) (JJ color) (NP (DT a) (NN laser)))))))))))) (. .)))