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: Producer Prices: Biggest Gain Since 1990 (Reuters) Reuters - U.S. producer prices shot up 1.7\percent last month, the biggest gain in nearly 15 years and\well above expectations, as energy costs skyrocketed and food\prices surged, a government report showed on Tuesday.

Business