answered:
We encourage it, actually! Don’t tell the press about this but we’ve been running a top-secret program to try and evolve the rats to have human intelligence, that way we can use them as maintenance workers instead of having to pay people. With all the money we save, we’ll be able to put up bad signage and do track repairs at awful times with even greater efficiency!
I was a rat once, it was 19 ought 7, I had just returned from the war and…