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