Based on the relation of the test spectrum to the group of class labeled spectra, a determination may be made as to whether {TAIL ~ the patient} will be responsive to the drug or {HEAD ~ treatment} 
Based on the relation of the test spectrum to the group of class labeled spectra , a determination may be made as to whether { TAIL ~ the patient } will be responsive to the drug or { HEAD ~ treatment }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD