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 goes all out for China route As Delta Air Lines Inc. struggles for its financial future, the carrier is entrenched in an intense political fight over desirable routes to China that could have an economic impact of \$400 million.

Business