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: Tooth and nail: Pierce, C #39;s bite Blazers at buzzer With a little more than 34 seconds to go last night, Portland #39;s Ruben Patterson brought his left forearm down across Paul Pierce news #39;s face in rebound traffic, bringing major pain to Pierce #39;s surgically repaired mouth.

Sports