( ( ( Electric Power ) ( In ( ( ( essentially all ) ( modern appliances ) ) ( -LRB- ( even ( ( your Walkman ) -RRB- ) ) ) ) ) ) ( , ( ( electrical energy ) ( ( is ( converted ( into ( ( some ( other form ) ) ( of ( ( ( ( energy - ) ( ( ( ( sound ( , ( light waves ) ) ) ( -LRB- ( ( ( ( still electrical ) , ) actually ) -RRB- ) ) ) , ) heat ) ) , ) etc. ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (NP (NNP Electric) (NNP Power)) (IN In) (NP (NP (ADJP (RB essentially) (DT all)) (JJ modern) (NNS appliances)) (PRN (-LRB- -LRB-) (RB even) (NP (PRP$ your) (NNS Walkman)) (-RRB- -RRB-)))) (, ,) (NP (JJ electrical) (NN energy)) (VP (VBZ is) (VP (VBN converted) (PP (IN into) (NP (NP (DT some) (JJ other) (NN form)) (PP (IN of) (NP (NP (NN energy)) (: -) (NP (NP (JJ sound) (, ,) (JJ light) (NNS waves)) (PRN (-LRB- -LRB-) (NP (NP (RB still) (JJ electrical)) (, ,) (ADVP (RB actually))) (-RRB- -RRB-)) (, ,) (NP (NN heat))) (, ,) (X (NN etc.)))))))) (. .)))
Electric Power In essentially all modern appliances (even your Walkman), electrical energy is converted into some other form of energy - sound, light waves (still electrical, actually), heat, etc.
(ROOT (S (NP (NP (NNP Heat)) (, ,) (NP (NN light)) (, ,) (CC and) (NP (NN sound))) (VP (VBP are) (NP (NP (DT all) (JJ different) (NNS forms)) (PP (IN of) (NP (NN energy))))) (. .)))