Read the following context and answer the question.
Context: Ruby has a bad ear infection in one ear , and one brewing in the other ear . The vet thought it was from taking her swimming last weekend . So , I have to clean her ears and put in ear medication twice a day for 10 days . It should be interesting doing it by myself because she was not a compliant patient at the vet 's office with me and the assistant doing it .
Question: What may Ruby be ?
Answer:


Ruby is a dog .