( Chronic ( ( should ( be ( considered ( ( a ( relative term ) ) ( dependent ( on ( ( the ( life span ) ) ( of ( an organism ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Chronic)) (VP (MD should) (VP (VB be) (VP (VBN considered) (S (NP (DT a) (JJ relative) (NN term)) (ADJP (JJ dependent) (PP (IN on) (NP (NP (DT the) (NN life) (NN span)) (PP (IN of) (NP (DT an) (NN organism)))))))))) (. .)))
Chronic should be considered a relative term dependent on the life span of an organism.
(ROOT (S (NP (NNP Life) (NN cycle)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (NN span)) (PP (IN in) (NP (NP (DT the) (NN life)) (PP (IN of) (NP (NP (DT an) (NN organism)) (PP (IN from) (NP (NP (CD one) (NN generation)) (PP (TO to) (NP (DT the) (JJ next))))))))))))) (. .)))