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