Despite their many similarities, Koreans and Japanese have long been mutually hostile and have pointed to the vast differences between their languages as proof that they lack a shared ancestry.
( ( Despite ( their ( many similarities ) ) ) ( , ( ( ( Koreans and ) Japanese ) ( ( ( ( ( have long ) ( been ( mutually hostile ) ) ) and ) ( have ( ( ( pointed ( to ( ( the ( vast differences ) ) ( between ( their languages ) ) ) ) ) ( as proof ) ) ( that ( they ( lack ( a ( shared ancestry ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Despite) (NP (PRP$ their) (JJ many) (NNS similarities))) (, ,) (NP (NNPS Koreans) (CC and) (NNPS Japanese)) (VP (VP (VBP have) (ADVP (RB long)) (VP (VBN been) (ADJP (RB mutually) (JJ hostile)))) (CC and) (VP (VBP have) (VP (VBN pointed) (PP (TO to) (NP (NP (DT the) (JJ vast) (NNS differences)) (PP (IN between) (NP (PRP$ their) (NNS languages))))) (PP (IN as) (NP (NN proof))) (SBAR (IN that) (S (NP (PRP they)) (VP (VBP lack) (NP (DT a) (VBN shared) (NN ancestry)))))))) (. .)))
Koreans and Japanese have always been mutually of help, in various occasions in ancient and modern history.
( ( ( Koreans and ) Japanese ) ( ( ( have always ) ( ( ( been ( mutually ( of help ) ) ) , ) ( in ( ( various occasions ) ( in ( ancient ( and ( modern history ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNPS Koreans) (CC and) (NNPS Japanese)) (VP (VBP have) (ADVP (RB always)) (VP (VBN been) (ADJP (RB mutually) (PP (IN of) (NP (NN help)))) (, ,) (PP (IN in) (NP (NP (JJ various) (NNS occasions)) (PP (IN in) (NP (JJ ancient) (CC and) (JJ modern) (NN history))))))) (. .)))