If the message is understood by the referenced object, then the method is executed in {HEAD ~ accordance} with {TAIL ~ the message} sent, and operation is completed as to the particular message 
with
If the message is understood by the referenced object , then the method is executed in { HEAD ~ accordance } with { TAIL ~ the message } sent , and operation is completed as to the particular message
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH