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: Salesforce.com expands call center support (InfoWorld) InfoWorld - NEW YORK - Hosted CRM (customer relationship management) evangelist Salesforce.com Inc. began a new branding campaign this week to draw attention to its customer-service support functionality, launching a new Web site at Supportforce.com and announcing a batch of partnerships with top call center infrastructure vendors.
