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: U.S. Stretches Out S. Korea Troop Cut Until 2008  WASHINGTON (Reuters) - The United States, under pressure  from South Korea, has agreed to stretch over an additional  three years until 2008 the withdrawal of 12,500 American  troops, U.S. officials said on Wednesday.

World