Premise: 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.
Hypothesis: The American Hairless Terrier is a breed that stemmed from the Scottish Terrier.