In particular, the notification can relate to {HEAD ~ the acceptance} of {TAIL ~ the delegation} for an instant messaging communication and session 
In particular , the notification can relate to { HEAD ~ the acceptance } of { TAIL ~ the delegation } for an instant messaging communication and session
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH