How do the Jehovah's Witnesses, and other people who believe in resurrection, respond to the cannibalism argument?

Jehovah's Witnesses believe that there will come a day when we will all get resurrected in our bodies. Critics say that the fact that cannibalism exists makes that logically impossible. If one person eats another person, how could both bodies be resurrected? How do Jehovah's Witnesses respond to that argument?