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: Germans grumpy 15 years after wall #39;s fall Germans marked a subdued 15th anniversary of the fall of the Berlin Wall on Tuesday, with high unemployment in the formerly communist east and a sense in people #39;s 

World