selecting {HEAD ~ templates} of {TAIL ~ a biometric corpus} as one or more speaker identity candidates for a probe based on the prototypes 
of
selecting { HEAD ~ templates } of { TAIL ~ a biometric corpus } as one or more speaker identity candidates for a probe based on the prototypes
OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH