Question: What is a rare breed of dog that was derived as a variant of Rat Terrier, Shiloh Shepherd dog or American Hairless Terrier ?
Related documents: [0]  [DOC] The American Hairless Terrier is a rare breed of dog that was derived as a variant of Rat Terrier. As of January 1, 2004, the United Kennel Club deemed the AHT a separate terrier breed, granting it full UKC recognition. An intelligent, social and energetic working breed, the American Hairless Terrier is often listed as a potential good breed choice for allergy sufferers. [END] 
[1]  [DOC] The Shiloh Shepherd is a new dog breed that is still under development. They are not recognized by any major kennel club, but may be shown in some rare breed organizations. [END] 
Answer: 
American Hairless Terrier
American Hairless Terrier