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: Mittal is world #39;s undisputed king of steel after \$21bn merger deal Lakshmi Mittal, the steel tycoon, announced a deal to form a \$21bn (11bn) giant of the industry yesterday, dubbed the  quot;first super-major quot; the sector has seen.

Business