{TAIL ~ The alternate object} toward which {HEAD ~ the message} is dispatched may contain a method required for execution by a message sent to a first object, but which is unfulfilled by absence of the desired method in the first object 
{ TAIL ~ The alternate object } toward which { HEAD ~ the message } is dispatched may contain a method required for execution by a message sent to a first object , but which is unfulfilled by absence of the desired method in the first object
TAIL TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH