A pack containing an article such as a bar of {HEAD ~ soap} consists of {TAIL ~ an inner tubular liner} within an outer wrapper 
A pack containing an article such as a bar of { HEAD ~ soap } consists of { TAIL ~ an inner tubular liner } within an outer wrapper
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH