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: Sheep pine for absent friends: official The Cambridge University team which discovered that sheep prefer happy, smiley people has once again pushed back the envelope of ovine understanding with the revelation that sheep cheer up when they see snaps of friends and relatives.

Sci/Tech