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: Legal Fight Menaces Aircraft Debt Ratings  NEW YORK (Reuters) - Standard   Poor's on Friday said  ratings on about \$30 billion of aircraft-backed debt could be  threatened if creditors lost a legal dispute with bankrupt UAL  Corp. &lt;A HREF="[Link] target=/stocks/quickinfo/fullquote"&gt;UALAQ.OB&lt;/A&gt; unit United Airlines over the right to  repossess aircraft.

Business