Burial or Cremation?

I was in a church meeting where the topic was "Burial or Cremation?" was discussed. Two of the people got rather worked up.

One said to the other, "If you have yourself cremated, all you will be doing is making an ash of yourself!"

The other replied, "Well, I'm told that petroleum comes from fossilized bones, so if you have yourself buried all you will be doing is making a fuel of yourself!