In an exemplary embodiment of the invention, {HEAD ~ a user} may have {TAIL ~ control} over the threshold and can adjust the threshold to values between 0 and 100 
have
In an exemplary embodiment of the invention , { HEAD ~ a user } may have { TAIL ~ control } over the threshold and can adjust the threshold to values between 0 and 100
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH