( Consumers ( ( are ( organisms ( that ( ( obtain ( their food ) ) ( by ( consuming ( other organisms ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Consumers)) (VP (VBP are) (NP (NP (NNS organisms)) (SBAR (WHNP (WDT that)) (S (VP (VBP obtain) (NP (PRP$ their) (NN food)) (PP (IN by) (S (VP (VBG consuming) (NP (JJ other) (NNS organisms)))))))))) (. .)))
Consumers are organisms that obtain their food by consuming other organisms.
(ROOT (S (NP (NP (NNS Organisms)) (SBAR (WHNP (WDT that)) (S (VP (VBP depend) (PP (IN on) (NP (NP (JJ other) (NNS organisms)) (PP (IN for) (NP (NN food))))))))) (VP (VBP play) (NP (NP (DT the) (NN role)) (PP (IN of) (NP (NP (DT a) (NN consumer)) (PP (IN in) (NP (DT the) (NN food) (NN chain))))))) (. .)))