{HEAD ~ The cartridge} is {TAIL ~ a drum cartridge} that has an electrophotographic photosensitive drum and is detachably mountable to the apparatus main body 
is
{ HEAD ~ The cartridge } is { TAIL ~ a drum cartridge } that has an electrophotographic photosensitive drum and is detachably mountable to the apparatus main body
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH