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: Bomb Alert Prompts Greek Plane to Land in London (Reuters) Reuters - A bomb alert prompted a Greek Olympic\passenger airliner to make an emergency landing at London's\Stansted Airport on Sunday, an airport spokesman said.

World