( ( Need food ) ( from ( other ( organisms ( , ( ( water and ) oxygen ) ) ) ) ) )
(ROOT (S (VP (VB Need) (NP (NN food)) (PP (IN from) (NP (JJ other) (NNS organisms) (, ,) (NN water) (CC and) (NN oxygen))))))
Need food from other organisms , water and oxygen
(ROOT (S (NP (NNS Plants)) (VP (CONJP (RB not) (JJ only)) (VP (VBP contribute) (NP (NN food))) (CC but) (VP (VBD oxygen) (PP (IN for) (NP (NNS organisms))))) (. .)))