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: Airline passengers face tighter security checks WASHINGTON -- Starting next week, all airline passengers must take off their jackets before passing through metal detectors and more will be subjected to pat-down searches and checks for explosives, the Transportation Security Administration said yesterday.

Business