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: Some Detainees Said Returning to Terror WASHINGTON - Despite gaining their freedom by signing pledges to renounce violence, at least seven former prisoners of the United States at Guantanamo Bay, Cuba, have returned to terrorism, at times with deadly consequences.    At least two are believed to have died in fighting in Afghanistan, and a third was recaptured during a raid of a suspected training camp in Afghanistan, said Lt...

World