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: Technical problems subside at online payment service PayPal SAN JOSE, Calif. The online payment service PayPal says it #39;s been able to fix most of the technical problems that have plagued the company for the past five days.

Sci/Tech