However, if the referenced object does not understand the message sent, then {HEAD ~ the remaining alternate dispatch variables} are searched for a determination of whether these other alternate dispatch variables may contain {TAIL ~ values} referencing other objects to be tested for fulfillment of the method requirements of the message sent 
However , if the referenced object does not understand the message sent , then { HEAD ~ the remaining alternate dispatch variables } are searched for a determination of whether these other alternate dispatch variables may contain { TAIL ~ values } referencing other objects to be tested for fulfillment of the method requirements of the message sent
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH