The second receiving unit displays {HEAD ~ the content} on a display associated with {TAIL ~ the second receiving unit} 
The second receiving unit displays { HEAD ~ the content } on a display associated with { TAIL ~ the second receiving unit }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL