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: Airbus #39;s launch aid #39; has to be grounded This week, trade officials from the US and the European Union are due to discuss subsidies in the commercial aircraft market. The talks must focus on the subsidy that distorts the market the most - launch 

Business