{TAIL ~ The process} converts {HEAD ~ the major part} of the halide in the organic halide to hydrogen halide 
{ TAIL ~ The process } converts { HEAD ~ the major part } of the halide in the organic halide to hydrogen halide
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH