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: Calpine betting state needs juice Tucked against a dry San Jose hillside, Calpine Corp. #39;s next power plant is a $500 million leap of faith. Workers swarm through the plant #39;s five-story metal skeleton, the shriek of power tools piercing the air, as they work for completion next spring.
