Task: Translation
Input (Chinese): 上周五，日本发生8.9级地震，随后发生海啸，日本首相菅直人声称，日本正经历自1945年二战结束以来最大的一次困难。
Output (English): Amongst the aftermath of a magnitude 8.9 earthquake which struck on Friday, followed by a tsunami, Naoto Kan, the prime minister of Japan, claimed that the country is experiencing its largest difficulties since the end of World War II in 1945.