TASK DEFINITION: In this task, you are given a sentence in the English language and your task is to convert it into the Japanese language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).
PROBLEM: He regretted that despite having U.S. nationality, the U.S. government did nothing for the release of its four citizens, stating that "this is [a] severe violation of the US laws and constitution."

SOLUTION: 彼は、合衆国国籍を持っているにもかかわらず、合衆国政府がその四人の市民を釈放するためになにもしなかった事を「これは合衆国の法律および憲法への（ひとつの）深刻な違反である」として遺憾に思った。

PROBLEM: The authors of the paper conclude that their evidence shows that matrilineal history of brown and polar bears suggest that "a likely genetic exchange with extinct Irish brown bears forms the origin of the modern polar bear matriline."

SOLUTION: 論文の著者は、これらの証拠が、ヒグマと北極グマの母系の歴史が「絶滅したアイルランドのヒグマとの遺伝子の交換が現代の北極グマの母系の起源をつくる」ことを示唆すると結論する。

PROBLEM: David Laws, Shadow Secretary of State for Children for the Liberal Democrats, said that "the Sats tests taken by 14-year-olds are not only a waste of time but have been highly unreliable over the last few years."

SOLUTION:
自由民主党の影の内閣子ども省のデイヴィッド・ローズ大臣は「14歳児の受験は時間の無駄であるばかりでなく、過去数年間たいへん信頼性に欠けている」と語った。