( Carnivores ( ( are ( animals ( that ( eat ( only ( other animals ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Carnivores)) (VP (VBP are) (NP (NP (NNS animals)) (SBAR (WHNP (WDT that)) (S (VP (VBP eat) (NP (RB only) (JJ other) (NNS animals))))))) (. .)))
Carnivores are animals that eat only other animals.
(ROOT (S (NP (NNP Carnivore)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN for) (NP (NP (DT a) (NN heterotroph)) (SBAR (WHNP (WDT that)) (S (VP (VBZ eats) (NP (UCP (ADVP (RB only)) (CC or) (ADJP (RB mainly) (JJ animal))) (NNS foods))))))))) (. .)))