segmentation: whats happening
rank.candidate: whats ha ppen ing whats happen ing wh at s happening w hats happening what shap pen ing whats happen in g wh ats happening whats happenin g what shap pening what s happening whats happeni ng whats happ ening whats happe ning w ha ts happening whats happening whats hap pening whats ha p pening wha ts happening whats happen i ng w hat s happening