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 Hits \$53 on Winter Worries, Nigeria  LONDON (Reuters) - Oil prices scaled new heights at \$53 for  U.S. crude Thursday on concerns over tight winter heating fuel  supplies and an unexpected strike at Nigerian oil terminals.

Business