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: US commercial jetliner touches down in Vietnam, in milestone for 2 nations HO CHI MINH CITY, Vietnam -- United Airlines became the first US carrier to fly to Vietnam since the war ended nearly 30 years ago, marking a new milestone in relations between the former enemies as dignitaries on board were greeted at the airport with lotus blossoms and silk lanterns.
