( ( The ( other ( major ( indirect ( process ( using sunlight ) ) ) ) ) ) ( ( is ( conversion ( of ( biomass ( to ( biofuel ( using ( photosynthetic organisms ) ) ) ) ) ) ) ) ; ) )
(ROOT (S (NP (DT The) (JJ other) (JJ major) (JJ indirect) (NN process) (VBG using) (NN sunlight)) (VP (VBZ is) (NP (NP (NN conversion)) (PP (IN of) (NP (NNS biomass) (S (VP (TO to) (VP (VB biofuel) (S (VP (VBG using) (NP (JJ photosynthetic) (NNS organisms))))))))))) (: ;)))
The other major indirect process using sunlight is conversion of biomass to biofuel using photosynthetic organisms;
(ROOT (S (NP (NNS Biomass)) (VP (MD can) (ADVP (RB also)) (VP (VB be) (VP (VBN processed) (S (VP (TO to) (VP (VB make) (ADJP (JJ biofuel)))))))) (. .)))