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: Beijing signs pact for Asean trade VIENTIANE, Laos China moved yet another step closer in cementing its economic and diplomatic relationships with Southeast Asia today when Prime Minister Wen Jiabao signed a trade accord at a regional summit that calls for zero tariffs on a wide range of 

World