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: UK Quarterly Manufacturing Optimism Lowest in Year (Update1) An index of optimism among UK manufacturers fell in the three months through October to the lowest since July of last year, the Confederation of British Industry said, adding to evidence of a slowdown in industry.

Business