{HEAD ~ The syringe} includes {TAIL ~ a plunger} which slides within an open, cylindrical passage in a cylinder 
includes
{ HEAD ~ The syringe } includes { TAIL ~ a plunger } which slides within an open , cylindrical passage in a cylinder
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH