( ( ( The production ) ( of ( a ( new ( root node ) ) ) ) ) ( ( is ( ( an opportunity ) ( for ( ( the production ) ( of ( ( ( a ( new leaf ) ) or ) ( lateral shoot ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN production)) (PP (IN of) (NP (DT a) (JJ new) (NN root) (NN node)))) (VP (VBZ is) (NP (NP (DT an) (NN opportunity)) (PP (IN for) (NP (NP (DT the) (NN production)) (PP (IN of) (NP (NP (DT a) (JJ new) (NN leaf)) (CC or) (NP (JJ lateral) (NN shoot)))))))) (. .)))
The production of a new root node is an opportunity for the production of a new leaf or lateral shoot.
(ROOT (S (NP (JJ Young) (NNS roots) (CC and) (NNS leaves)) (VP (VBP are) (NP (NP (DT the) (JJ major) (NNS sites)) (PP (IN of) (NP (NN gibberellin) (NN production))))) (. .)))