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: Apple recalls PowerBook batteries (MacCentral) MacCentral - Apple Computer Inc. on Thursday issued a recall for PowerBook batteries sold from January 2004 through August 2004 for use with 15-inch PowerBook G4 (Aluminum) notebook computers. The batteries, made by LG Chem, Ltd. of South Korea, could overheat, posing a fire hazard -- Apple said they have received four such reports, although no injuries have been reported.

Sci/Tech