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: Delta labors to avoid bankruptcy, makes some progress With money pouring out of its jet engine exhausts, Delta Air Lines secured one union agreement, and worked toward another, which might yet allow the third largest airline delay or avoid bankruptcy.

Business