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: Congolese Massacre Victims in Burundi Mourned  GATUMBA, Burundi (Reuters) - Mourners covered their faces  to block the smell of disinfectant and death Monday as they  buried more than 160 Congolese Tutsi refugees burned, hacked  and shot in an attack on their camp in western Burundi.

World