Other embodiments reduce {HEAD ~ the occurrences} of falsely triggered barge ins during content delivery by only allowing interruption for {TAIL ~ certain special words} 
Other embodiments reduce { HEAD ~ the occurrences } of falsely triggered barge ins during content delivery by only allowing interruption for { TAIL ~ certain special words }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL