When listening to receive information from the user, after the user has been cued, {HEAD ~ soft background music} or other audible signals are rendered to inform {TAIL ~ the user} that a response may now be spoken to the service 
When listening to receive information from the user , after the user has been cued , { HEAD ~ soft background music } or other audible signals are rendered to inform { TAIL ~ the user } that a response may now be spoken to the service
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH