Since {HEAD ~ signal processing} associated with the transfer of values between event execution units is replaced with {TAIL ~ variable processing}, high speed processing can be performed 
is replaced with
Since { HEAD ~ signal processing } associated with the transfer of values between event execution units is replaced with { TAIL ~ variable processing } , high speed processing can be performed
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH