More specifically, {HEAD ~ the invention} relates to patterning {TAIL ~ materials} at the nanoscale level utilizing block copolymers 
relates to
More specifically , { HEAD ~ the invention } relates to patterning { TAIL ~ materials } at the nanoscale level utilizing block copolymers
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH