Given the task definition, example input & output, solve the new input case.
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].
Example: Comets, Asteroids and Planets around a Nearby Star (SPACE.com) SPACE.com - A nearby star thought to harbor comets and asteroids now appears to be home to planets, too. The presumed worlds are smaller than Jupiter and could be as tiny as Pluto, new observations suggest.
Output: Sci/Tech
The topic of the news article is relevant to science(astronomy). Hence, the label is 'Sci/Tech'.

New input case for you: Clouds on horizon for low-cost airlines NEW YORK -- As larger US airlines suffer growing losses, low-cost carriers, previously thought to be invincible, are not far behind, industry experts say, due to soaring jet fuel prices, low air fares, and more competition.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Business