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: United Dominion Buys $897 Million Homes  NEW YORK/BOSTON (Reuters) - United Dominion Realty Trust  Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=UDR.N target=/stocks/quickinfo/fullquote"&gt;UDR.N&lt;/A&gt;, one of the largest U.S. apartment owners, said on  Tuesday it plans to buy $897 million worth of apartment homes,  moving from lower-rent housing to more expensive properties  based mainly in fast-growing Southern California.
