( ( A prism ) ( ( ( ( ( receives ( ( ( ( the light ) , ) ( bends it ) ) , ) ) and ) ( ( ( spreads it ) out ) so ) ) ( that ( we ( can ( see ( ( the ( various colors ) ) ( that ( ( make up ) ( white light ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN prism)) (VP (VP (VBZ receives) (NP (NP (DT the) (NN light)) (, ,) (VP (VBG bends) (NP (PRP it))) (, ,))) (CC and) (VP (VBZ spreads) (NP (PRP it)) (PRT (RP out)) (ADVP (RB so))) (SBAR (IN that) (S (NP (PRP we)) (VP (MD can) (VP (VB see) (NP (NP (DT the) (JJ various) (NNS colors)) (SBAR (WHNP (WDT that)) (S (VP (VBP make) (PRT (RP up)) (NP (JJ white) (NN light))))))))))) (. .)))
A prism receives the light, bends it, and spreads it out so that we can see the various colors that make up white light.
(ROOT (S (NP (DT A) (NN prism)) (VP (VBZ helps) (SBAR (S (NP (NNS people)) (VP (VBP understand) (SBAR (WHNP (WP what)) (S (VP (VBZ makes) (PRT (RP up)) (NP (JJ white) (NN light))))))))) (. .)))
A prism helps people understand what makes up white light.