Definition: In this task, you're given a short article. Your job is to classify the article based on its category. Use the following classification labels, 0. World, 1. Sports, 2. Business, 3. Science or Technical. Label the text "0" if it contains information related to world. Label the text "1" if it contains information related to sports. Label the text "2" if it contains information related business. Label the text "3" if it contains science or technical related information. 
Input: Federer Walks Into Spot in Quarterfinals Without so much as a groundstroke, Roger Federer jumped directly from the third round to the quarterfinals Monday afternoon, setting up one of the marquee matches of the US Open.
