segmentation: zappn launch
rank.candidate: zappnl aunch zappnla un ch zapp n launch z app n launch z ap pn launch zap pn launch zappn launch zappnlaun ch zapp nlaunch zappn la unch zap pnlaunch za pp n launch zapp nl a unch zappnla unch zappnlau nch zappnl a unch zapp nla unch za ppn launch z appn launch zap pnla unch