(MAMMAL.CPP output)
partial test stub for mammal
Making a Mammal
Buddy 3 45
A mammal is speaking.
Zzzzzz
I am a Mammal.
Destroying a Mammal

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(DOG.CPP output)
Making a Mammal
Making a Dog
Zzzzzz
Have pity on me! Please feed a hungry dog.
Wag, wag, wag!
I am a Dog.
Thelma's statistics: 11 70
A husky from Alaska.
Destroying a Dog.
Destroying a Mammal