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: CEO defends Merck on Vioxx Merck  amp; Co.'s chairman and chief executive Raymond Gilmartin yesterday defended his firm's handling of earlier health warnings about Vioxx and said he was  quot;stunned quot; when he learned two weeks ago that a Merck clinical trial had confirmed the drug could cause strokes and heart attacks.

Business