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: Bears LB Urlacher Injures Another Hamstring  LAKE FOREST, Ill. (Sports Network) - Chicago Bears  linebacker Brian Urlacher is expected to undergo an MRI exam  this week to determine the severity of a left hamstring injury  he sustained in this past Sunday's game against Jacksonville.

Sports