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: NASA  #39;Scramjet #39; Beats Air Speed Record Again Researchers are working on scramjets as a low-cost alternative to rockets in weapons such as cruise missiles. Unlike rockets, scramjets do not need to carry their  quot;combuster quot; with them, potentially a huge savings in weight and cost.
