segmentation: tweet b4 U eat
rank.candidate: twee tb4Ue at t weetb4Ue at t we etb4U eat t weetb4U eat tweet b4Ue at twee tb4Uea t t we etb4Ueat tweetb4 U eat tweet b4 Ue at t we etb4Ue at tweet b4 U eat twe etb4Ue at tw eetb4Ue at tweet b4Ueat twee tb4U eat tweetb4U eat tweetb4Ue at tweet b 4U eat twee tb4Ueat tweet b4U eat