{HEAD ~ The vector} is preferably bacteria, more preferably {TAIL ~ non tumor} inducing Agrobacterium 
{ HEAD ~ The vector } is preferably bacteria , more preferably { TAIL ~ non tumor } inducing Agrobacterium
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH