<human>:  I have a question about a dog breed called a bloodhound. Why is it called a bloodhound?
<bot>: The bloodhound is named after the bloodhound breed of dog, which is named after the bloodhound breed of dog. The bloodhound is a breed of dog that was developed in the United States in the 19th century. The bloodhound is a very fast and powerful dog that is used to track down criminals.