The portable device 2, wherein {HEAD ~ the portable device} is {TAIL ~ a mobile telephone} for communicating via a cellular communication system 
The portable device 2 , wherein { HEAD ~ the portable device } is { TAIL ~ a mobile telephone } for communicating via a cellular communication system
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH