( ( ( Food Chains ) , ) ( Food ( Webs ( , ( ( Consumers and ) Producers ) ) ) ) )
(ROOT (NP (NP (NNP Food) (NNP Chains)) (, ,) (NP (NNP Food) (NNP Webs) (, ,) (NNPS Consumers) (CC and) (NNPS Producers))))
Food Chains, Food Webs, Consumers and Producers
(ROOT (S (NP (NNP Food) (NNS chains)) (VP (VBP carry) (NP (NN energy)) (PP (IN from) (NP (NP (NNS producers)) (PP (TO to) (NP (NNS consumers)))))) (. .)))