Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Japan's leader shakes up Cabinet TOKYO -- Prime Minister Junichiro Koizumi reshuffled his Cabinet yesterday, replacing several top ministers in an effort to boost his popularity, consolidate political support, and quicken the pace of reforms in the world's second largest economy.

World