{HEAD ~ a radio} responsive to opening the container, said {TAIL ~ radio} including a speaker for facilitating output of sound; and 
{ HEAD ~ a radio } responsive to opening the container , said { TAIL ~ radio } including a speaker for facilitating output of sound ; and
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH