receiving a request for a replay of a broadcast content selected by {HEAD ~ the user} so as to replay {TAIL ~ a same video stream} again after stopping the video stream of the broadcast content 
to replay
receiving a request for a replay of a broadcast content selected by { HEAD ~ the user } so as to replay { TAIL ~ a same video stream } again after stopping the video stream of the broadcast content
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 TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH