( Electric ( ( flow ( than ( can ( be ( ( ( converted ( into ( heat ( - ( ( ( ( by ( electric range ) ) , ) ( into light ) ) - ) ) ) ) ) ( ( ( by ( a ( light bulb ) ) ) or ) ( into ( mechanical energy ) ) ) ) ( by ( an engine ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Electric)) (VP (NN flow) (SBAR (IN than) (S (VP (MD can) (VP (VB be) (VP (VBN converted) (PP (IN into) (NP (NP (NN heat)) (PRN (: -) (PP (IN by) (NP (JJ electric) (NN range))) (, ,) (PP (IN into) (NN light)) (: -)))) (PP (PP (IN by) (NP (DT a) (JJ light) (NN bulb))) (CC or) (PP (IN into) (NP (JJ mechanical) (NN energy)))) (PP (IN by) (NP (DT an) (NN engine))))))))) (. .)))
Electric flow than can be converted into heat - by electric range, into light - by a light bulb or into mechanical energy by an engine.
(ROOT (S (NP (DT A) (JJ light) (NN bulb)) (VP (VBZ converts) (NP (JJ electrical) (NN energy)) (PP (TO to) (NP (JJ light) (CC and) (JJ thermal) (NN energy)))) (. .)))