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 see themselves as different cultures,
( ( ( Koreans and ) Japanese ) ( ( ( see themselves ) ( as ( different cultures ) ) ) , ) )
(ROOT (S (NP (NNPS Koreans) (CC and) (NNPS Japanese)) (VP (VBP see) (NP (PRP themselves)) (PP (IN as) (NP (JJ different) (NNS cultures)))) (, ,)))