In response to the request, the customization application allows {TAIL ~ a user} to modify a set of features associated with the user role to form {HEAD ~ a set} of customized features 
In response to the request , the customization application allows { TAIL ~ a user } to modify a set of features associated with the user role to form { HEAD ~ a set } of customized features
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH