( ( F. ( 5.3 Compare ) ) ( ( photoautotrophs ( with ( photoheterophs ( in ( terms ( of ( energy ( sources ( and ( carbon sources ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP F.) (CD 5.3) (NNP Compare)) (VP (VBZ photoautotrophs) (PP (IN with) (NP (NP (NNS photoheterophs)) (PP (IN in) (NP (NP (NNS terms)) (PP (IN of) (NP (NN energy) (NNS sources) (CC and) (NN carbon) (NNS sources)))))))) (. .)))
F.5.3 Compare photoautotrophs with photoheterophs in terms of energy sources and carbon sources.
(ROOT (S (NP (NNS Photoautotrophs)) (VP (VP (VB capture) (NP (JJ light) (NN energy))) (, ,) (CC and) (VP (VB use) (NP (NN carbon) (NN dioxide)) (PP (IN as) (NP (PRP$ their) (NN carbon) (NN source))))) (. .)))