( this ( ( is ( aerobic respiration ) ) . ) )
(ROOT (S (NP (DT this)) (VP (VBZ is) (NP (JJ aerobic) (NN respiration))) (. .)))
this is aerobic respiration .
(ROOT (S (NP (JJ Aerobic) (NN respiration)) (VP (VBZ has) (NP (NP (DT the) (NN advantage)) (PP (IN of) (S (VP (VBG releasing) (NP (JJR more) (NN energy))))))) (. .)))