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: Update 2: Roche Says Drug Improves Chemotherapy Swiss drug giant Roche said Monday that its Tarceva drug improves the results of chemotherapy in prolonging the lives of patients with advanced pancreatic cancer.

Business