A camera unit 30 produces {HEAD ~ sixteen line sequential analog video signals} that correspond to {TAIL ~ a scene} 32 
A camera unit 30 produces { HEAD ~ sixteen line sequential analog video signals } that correspond to { TAIL ~ a scene } 32
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH