dog breeds that are medium sized?
['Afghan Hound. Learn More.', 'Airedale Terrier. Learn More.', 'Akita. Learn More.', 'Alaskan Malamute. Learn More.', 'American English Coonhound. Learn More.', 'American Eskimo Dog. Learn More.', 'American Foxhound. Learn More.', 'American Staffordshire Terrier. Learn More.']