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: No word on trapped China miners A gas explosion in a state-owned mine in China has left 166 miners trapped underground with no means of contact. Nearly 300 miners were in Chenjiashan mine in Shaanxi province when the blast happened on Sunday morning, but 127 escaped, said state media.

World