To account for {HEAD ~ the processing time} required to identify {TAIL ~ the presence} of the television commercial, the television commercial can be stored in a memory for subsequent access 
required to identify
To account for { HEAD ~ the processing time } required to identify { TAIL ~ the presence } of the television commercial , the television commercial can be stored in a memory for subsequent access
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH