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: Unsaturated Fats Cut Gallstone Risk By BILL BERGSTROM    PHILADELPHIA (AP) -- A Mediterranean diet rich in vegetable oil, nuts and fish may help fend off more than heart disease and diabetes: It appears to prevent gallstones, too.    Men who ate more of the unsaturated fats found in such foods lowered their risk of gallstones by nearly one-fifth, according to a 14-year study published in Tuesday's Annals of Internal Medicine...

Sci/Tech