segmentation: cf objective
rank.candidate: cfobj ective c fobj ective cfob jective cfo bj ective c fo b jective cfobject ive cfo b jective cf objective c fob jective cfo bjective cf object ive c fob je ctive cfobjec tive cf obje ctive cf object iv e cf objec tive cf obj ective cf object i ve cfobje ctive cf ob jective