segmentation: twitter fon
rank.candidate: twi tterf on t wit terf on twit terfon twitter fo n twitte rf on t witter f on twit terf on tw it terf on twitter fon twit ter f on twitter f on twit te rf on twitt erf on t witt erf on twitterf on t witterf on twit t erf on twi tter f on twi tte rf on t witte rf on