{HEAD ~ The material} may also contain logos, trademarks, trade names, or {TAIL ~ other identifying marks} 
contain
{ HEAD ~ The material } may also contain logos , trademarks , trade names , or { TAIL ~ other identifying marks }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL