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: Thousands sign up for British tycoon Branson #39;s space flights  quot;Star Trek quot; star William Shatner and Red Hot Chili Peppers drummer Dave Navarro are among thousands who want to fly on Virgin #39;s proposed commercial space flights, company chief Richard Branson said Friday.
