Sentence:  The Texans made themselves a comforting break on the opening kickoff when <WSD>Denver</WSD> 's Al Carmichael was jarred loose from the ball when Dave Grayson , the speedy halfback , hit him and Guard Al Reynolds claimed it for Dallas . 
Meaning of the word marked with <WSD> tags:  the state capital and largest city of Colorado; located in central Colorado on the South Platte river