{HEAD ~ The combination} 1 wherein {TAIL ~ said flexible hollow pouch} is made of resilient plastic 
wherein
{ HEAD ~ The combination } 1 wherein { TAIL ~ said flexible hollow pouch } is made of resilient plastic
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH