( ( ( ( Advanced methods ) ( for ( ( internal and ) external ) ) ) ( ( sorting and ) searching ) ) . )
(ROOT (NP (NP (NP (NNP Advanced) (NNS methods)) (PP (IN for) (NP (JJ internal) (CC and) (JJ external)))) (VP (VBG sorting) (CC and) (VBG searching)) (. .)))
Advanced methods for internal and external sorting and searching.
(ROOT (S (NP (NNS Amphibians)) (ADVP (RB sexually)) (VP (VB reproduce) (PP (IN through) (NP (JJ external) (CC or) (JJ internal) (NN fertilization)))) (. .)))