wherein {HEAD ~ the step} of determining the first temporal relationship of the first transition to the reference transition time further comprises {TAIL ~ the steps} of: 
comprises
wherein { HEAD ~ the step } of determining the first temporal relationship of the first transition to the reference transition time further comprises { TAIL ~ the steps } of :
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH