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: Alarcon backs suit against DWP rate hike Stepping up his legal and political battle, state Sen. Richard Alarcon endorsed a class-action lawsuit filed Thursday that challenges the 11 percent water-rate increase the Department of Water and Power imposed this year.

Business