analyze the first computing service to identify {HEAD ~ a first set} of one or more variables that must be assigned {TAIL ~ respective variable states} in the first set of variable states in order to provide the first computing service, the first one or more variables including the first variable; and 
assigned
analyze the first computing service to identify { HEAD ~ a first set } of one or more variables that must be assigned { TAIL ~ respective variable states } in the first set of variable states in order to provide the first computing service , the first one or more variables including the first variable ; and
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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