( ( In ( almost ( every ( energy transformation ) ) ) ) ( , ( ( some ( thermal energy ) ) ( ( is ( produced ( in ( ( the form ) ( of heat ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (RB almost) (DT every) (NN energy) (NN transformation))) (, ,) (NP (DT some) (JJ thermal) (NN energy)) (VP (VBZ is) (VP (VBN produced) (PP (IN in) (NP (NP (DT the) (NN form)) (PP (IN of) (NP (NN heat))))))) (. .)))
In almost every energy transformation, some thermal energy is produced in the form of heat.
(ROOT (S (NP (NNP Heat)) (VP (VBZ is) (VP (VBN produced) (SBAR (WHADVP (WRB when)) (S (NP (NN paper)) (VP (VBZ is) (VP (VBN burned))))))) (. .)))
Heat is produced when paper is burned.