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: Labor leaders seek to remedy shortcoming of locals SAN FRANCISCO (CBS.MW) - Supermarket workers in northern California are preparing for a possible strike against Safeway - just as their sister union local in Los Angeles did for nearly five months ended in March.

Business