( ( This process ) ( ( is ( called ( cellular respiration ) ) ) . ) )
(ROOT (S (NP (DT This) (NN process)) (VP (VBZ is) (VP (VBN called) (NP (JJ cellular) (NN respiration)))) (. .)))
This process is called cellular respiration .
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (JJ cellular) (NN respiration)) (SBAR (WHNP (WDT that)) (S (VP (VBZ does) (RB not) (VP (VB need) (NP (NN oxygen)) (S (VP (TO to) (VP (VB proceed) (NP (JJ anaerobic) (NN respiration))))))))))) (. .)))