The policy rules evaluate {HEAD ~ the application state information} for each subgroup and can assign different weights to {TAIL ~ different types} of application state information 
The policy rules evaluate { HEAD ~ the application state information } for each subgroup and can assign different weights to { TAIL ~ different types } of application state information
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH