( Energy ( , ( ( ( heat and/or ) sound ) ( ( are ( forms ( of matter ) ) ) . ) ) ) )
(ROOT (S (NP (NNP Energy)) (, ,) (S (VP (VP (VB heat)) (CC and/or) (VP (VB sound)))) (VP (VBP are) (NP (NP (NNS forms)) (PP (IN of) (NP (NN matter))))) (. .)))
Energy, heat and/or sound are forms of matter.
(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))))) (. .)))