In particular, in response to the control signal, {TAIL ~ a television commercial detector} analyzes the television signal to identify the presence of the television commercial in {HEAD ~ the television signal} 
In particular , in response to the control signal , { TAIL ~ a television commercial detector } analyzes the television signal to identify the presence of the television commercial in { HEAD ~ the television signal }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD