I call her front , ask her to sit , she looks back at her butt , sits , and then pops a squat . My dog PEED in the Obedience Ring . I can blame the cold , I can blame myself , I can blame it on the judge for not taking his lunch break , but I ca n't blame Mackenzie .
According to the above context, choose the best option to answer the following question.
Question: Who or what is Mackenzie ?
Options:
- None of the above choices .
 - A child
 - A trainer
 - A dog


A dog