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: Rights-Sudan: Rhetoric On Darfur Needs to Be Backed By Action &lt;b&gt;...&lt;/b&gt; Human Rights Watch has called on the United Nations Security Council to take substantive action against what it claims are ongoing rights violations in the western Sudanese region of Darfur.

World