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: India to Ask Private Experts to Determine Extent of HIV Infection &lt;b&gt;...&lt;/b&gt; India says it will appoint private consultants to determine the number of people infected with the AIDS virus. The Indian government estimates the number at 5.1 million, the second most in the world after South Africa.

World