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: Clinton jumps into campaign, as missing explosives force Bush on defensive (AFP) AFP - Democratic candidate John Kerry charged President George W. Bush with  quot;incredible incompetence quot; over the disappearance of powerful explosives in Iraq, while Bush accused his rival of offering a  quot;strategy of pessimism and retreat quot; in Iraq.

World