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: U.S. Says It Poses No Threat to N.Korea (Reuters) Reuters - The United States does not pose a threat to North Korea and has no intention of invading, a U.S. official said Tuesday, urging Pyongyang to abandon its nuclear ambitions in exchange for possible security assurances.
