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: Retailers Bet on Poker's Rising Popularity (AP) AP - With poker's popularity growing because of televised tournaments, retailers are betting that playing cards and chips will be among the must-have items during the holiday shopping season.

Business