As expected, it allows for the discrimination between {HEAD ~ human differences}, including {TAIL ~ gender} and personal levels of alcohol dependency 
including
As expected , it allows for the discrimination between { HEAD ~ human differences } , including { TAIL ~ gender } and personal levels of alcohol dependency
OTH 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