Different users activity descriptions can be presented to a user even while {HEAD ~ the user} may be disconnected from {TAIL ~ communication networks} 
Different users activity descriptions can be presented to a user even while { HEAD ~ the user } may be disconnected from { TAIL ~ communication networks }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL