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: Rolling through rural China, train of doctors restores sight KASHGAR, China -- Impatiently, Gopur Samat stood at the ready as a nurse stripped the bandage from his right eye and steered his attention toward a chart 20 feet away. Smiling, Gopur pointed up. Still smiling as the nurse gestured toward another symbol, he pointed down. Then left, then right. Gopur, 68, suddenly could see clearly again.

World