-- parent script "Animal"
-- ...

-- parent script "Dog"
property ancestor

on new (me)
  me.ancestor = script("Animal").new()
  return me
end

-- parent script "Cat"
property ancestor

on new (me)
  me.ancestor = script("Animal").new()
  return me
end

-- parent script "Lab"
property ancestor

on new (me)
  me.ancestor = script("Dog").new()
  return me
end

-- parent script "Collie"
property ancestor

on new (me)
  me.ancestor = script("Dog").new()
  return me
end