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: Pfizer warns of Bextra heart risk NEW YORK (CNN/Money) - Drugmaker Pfizer said Friday that its Bextra drug, seen as an alternative to Merck #39;s Vioxx arthritis medication, may raise heart risk in high-risk bypass surgery patients.

Business