The data can be recorded in a program on {HEAD ~ a computer} that allows {TAIL ~ viewers} to interact with media while wearing the headset 
allows
The data can be recorded in a program on { HEAD ~ a computer } that allows { TAIL ~ viewers } to interact with media while wearing the headset
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH