In the event that the presence of the television commercial is not identified, the television commercial detector can provide {HEAD ~ an error indication} that can be displayed on {TAIL ~ a display device}  
In the event that the presence of the television commercial is not identified , the television commercial detector can provide { HEAD ~ an error indication } that can be displayed on { TAIL ~ a display device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 TAIL OTH