In this way, {TAIL ~ an automated city tour} or sightseeing tour is made possible also by {HEAD ~ means} of the mobile communications system 
In this way , { TAIL ~ an automated city tour } or sightseeing tour is made possible also by { HEAD ~ means } of the mobile communications system
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH