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: NL Wrap: Walker Grand Slam Helps Cards Beat Reds Again  NEW YORK (Reuters) - Larry Walker hit a grand slam home run  to key a six-run eighth inning as the Cardinals stayed hot with  a 7-2 win over the Cincinnati Reds in St Louis on Tuesday.

Sports