( ( A carnivore ) ( ( is ( ( an organism ) ( that ( ( feed ( ( exclusively or ) mainly ) ) ( on ( animal tissue ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN carnivore)) (VP (VBZ is) (NP (NP (DT an) (NN organism)) (SBAR (WHNP (WDT that)) (S (VP (VBP feed) (ADVP (ADVP (RB exclusively)) (CC or) (ADVP (RB mainly))) (PP (IN on) (NP (NN animal) (NN tissue)))))))) (. .)))
A carnivore is an organism that feed exclusively or mainly on animal tissue.
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (DT an) (NN animal)) (SBAR (WHNP (WDT that)) (S (VP (VBZ feeds) (PP (IN on) (NP (NP (JJ other) (NNS animals)) (SBAR (S (NP (DT a) (-LRB- -LRB-) (NN n) (-RRB- -RRB-)) (VP (VBP carnivore))))))))))) (. .)))