If no address was obtained by the reverse look up, or the address was not verified by the zip code, then {HEAD ~ the caller} is asked for {TAIL ~ his/her street name} which is obtained by voice recognition or by operator involvement  
is asked for
If no address was obtained by the reverse look up , or the address was not verified by the zip code , then { HEAD ~ the caller } is asked for { TAIL ~ his / her street name } which is obtained by voice recognition or by operator involvement
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH