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: Opec Ups Quotas At Vienna Summit Opec has raised its output quotas in an attempt to bring oil prices below \$40 a barrel. The cartel of leading oil producers says it will pump another million barrels of crude a day, bringing total output to 27 million barrels a day.

Business