{HEAD ~ An aspect} of the present invention is to eliminate {TAIL ~ the above mentioned problems} with the conventional technology 
is to eliminate
{ HEAD ~ An aspect } of the present invention is to eliminate { TAIL ~ the above mentioned problems } with the conventional technology
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH