The system further includes a memory for storing {HEAD ~ the television programs} that have been selected by {TAIL ~ the viewer} 
selected by
The system further includes a memory for storing { HEAD ~ the television programs } that have been selected by { TAIL ~ the viewer }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL