The policy rules can assign different weights to different types of application state information according to {TAIL ~ existing circumstances}, and otherwise implement complex priority determining {HEAD ~ logic} 
The policy rules can assign different weights to different types of application state information according to { TAIL ~ existing circumstances } , and otherwise implement complex priority determining { HEAD ~ logic }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD