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: Oil Slips Under \$55 a Barrel  LONDON (Reuters) - World oil prices briefly scaled a new  high above \$55 a barrel on Monday before falling back as the  Norwegian government moved to end a strike that had threatened  the country's energy output.

Business