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: South Korean adoptees encounter hurdles in search for roots KUNSAN, South Korea -- The clerk in the police station gives a quizzical look to the young woman in the short green sundress. She has Korean features, but something about her manner and the sweep of her ponytail is distinctly American.

World