( ( SPI ( 0607.2.1 Classify ) ) ( ( ( organisms ( as ( producers ( , ( consumers ( , ( scavengers ( , ( or decomposers ) ) ) ) ) ) ) ) ) ( according ( to ( ( their role ) ( in ( a ( food ( chain ( or ( food web ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP SPI) (CD 0607.2.1) (NNP Classify)) (VP (VBD organisms) (PP (IN as) (NP (NNS producers) (, ,) (NNS consumers) (, ,) (NNS scavengers) (, ,) (CC or) (NNS decomposers))) (PP (VBG according) (PP (TO to) (NP (NP (PRP$ their) (NN role)) (PP (IN in) (NP (DT a) (NN food) (NN chain) (CC or) (NN food) (NN web))))))) (. .)))
SPI 0607.2.1  Classify organisms as producers, consumers, scavengers, or decomposers according to their role in a food chain or food web.
(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))))))) (. .)))