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: Clash of the superheroes Marvel Enterprises, IP guardian of The Hulk and untold other fictional freaks, is suing the creators of the hot online game "City of Heroes," claiming that characters in the game are virtually identical to Marvel characters. Missing Links

Sci/Tech