The method 1, wherein {HEAD ~ the first power management event} is {TAIL ~ a power} down event and the second power management event is a power up event 
is
The method 1 , wherein { HEAD ~ the first power management event } is { TAIL ~ a power } down event and the second power management event is a power up event
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH