Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Brookfield Buys Rosslyn, Virginia, Office Tower for \$106 Mln Brookfield Properties Corp., which owns 48 commercial sites including the World Financial Center in New York, bought a 19-story office tower in Rosslyn, Virginia, from Deutsche Immobilien Fonds AG for \$106 million.

Business