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: Explosives find confirms terror link EXPLOSIVES have been found in the wreckage of one of the two Russian airliners that crashed near-simultaneously this week. The confirmation that at least one of the aircraft was brought down by a terrorist 

World