( ( Electromagnetic ( -LRB- ( em -RRB- ) ) ) ( ( wave ( ( Electromagnetic waves ) ( ( make up ) ( the ( electromagnetic spectrum ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Electromagnetic)) (PRN (-LRB- -LRB-) (NP (NN em)) (-RRB- -RRB-))) (VP (VBZ wave) (S (NP (JJ Electromagnetic) (NNS waves)) (VP (VB make) (PRT (RP up)) (NP (DT the) (JJ electromagnetic) (NN spectrum))))) (. .)))
Electromagnetic (em) wave Electromagnetic waves make up the electromagnetic spectrum.
(ROOT (S (NP (DT The) (JJ electromagnetic) (NN spectrum)) (VP (VBZ represents) (NP (NP (DT the) (JJ full) (NN range)) (PP (IN of) (NP (NP (NN frequency)) (PP (IN of) (NP (JJ electromagnetic) (NNS waves))))))) (. .)))