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: Astra Cancer Drug Tied to More Pneumonia (Reuters) Reuters - AstraZeneca Plc. said on Wednesday a new\study in Japan showed a higher rate of a potentially fatal side\effect in patients taking its lung cancer pill Iressa than that\demonstrated in an earlier analysis.

Business