( We ( ( will ( improve ( ( the methods ) ( of ( internal ( and ( external communication ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (MD will) (VP (VB improve) (NP (NP (DT the) (NNS methods)) (PP (IN of) (NP (JJ internal) (CC and) (JJ external) (NN communication)))))) (. .)))
We will improve the methods of internal and external communication.
(ROOT (S (NP (NNS Amphibians)) (ADVP (RB sexually)) (VP (VB reproduce) (PP (IN through) (NP (JJ external) (CC or) (JJ internal) (NN fertilization)))) (. .)))