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: Study: Dogs Are Able to Sniff Out Cancer (AP) AP - It has long been suspected that man's best friend has a special ability to sense when something is wrong with us. Now the first experiment to verify that scientifically has demonstrated that dogs are able to smell cancer.

Sci/Tech