Context: In our hearts , we were afraid it had not . The vet on graveyard shift was the same one who had seen him the first time . When she looked at the numbers and found out that he had already had the surgery , she got tears in her eyes .
Question: Why was the vet so upset ?
Option 0: None of the above choices .
Option 1: The vet had to work the early morning shift .
Option 2: The procedure had not worked .
Option 3: The vet was n't paid .
Answer: 2