Вот - это не исправление, лишь еще версия по этой теме, которая я могу воображать себе на английском,

Dachshund

- Is that your rat that just ran by? 
- That's not a rat. It's my dwarf dachshund.
- A what? I don't know. If my cat could eat it, it's a rat. / I thought it was a rat - my could could've eaten it.