segmentation: up to no good
rank.candidate: u pto no good up to nog ood u pt on o good up tonogood up ton ogood up to no go od uptono good u ptono good up to no goo d up t ono good up ton o good upton o good up t on o good up to no good upto no good up to nogood up tono good upt on o good up ton og ood up to nogo od