Shiiwaka :You used sweets as bait for rat...
Shiwaka :Is it really effective for rat?
Ratter :Of course! Instead of the usual rat's bane,we used this bacilli which decay rat's tooth!
Ratter :We 'll brush own teeth daily.But rat never do so and their teeth 'll be decayed.
Rat :How cruel biological weapon it is!
Cat : Teach me which the teeth of cat who fed a infected raw rat will be decayed too or not?
Catnet :Sorry, I don't know. Please brush your teeth by own care worker's hand....
