The distorting is preferably either based upon a particular stylistic form or upon {TAIL ~ a set} of {HEAD ~ personal preferences} 
The distorting is preferably either based upon a particular stylistic form or upon { TAIL ~ a set } of { HEAD ~ personal preferences }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD