[PAR] [TLE] Police dog [SEP] A police dog, known in some English-speaking countries as a "K-9" or "K9" (a homophone of "canine"), is a dog that is specifically trained to assist police and other law-enforcement personnel.  Their duties include: searching for drugs and explosives, locating missing people, finding crime scene evidence, and protecting their handlers.  Police dogs must remember several verbal cues and hand gestures.  The most commonly used breeds are the German Shepherd, Belgian Malinois and Rottweiler. [PAR] [TLE] Rottweiler [SEP] The Rottweiler ( or , ) is a breed of domestic dog, regarded as medium-to-large or large.  The dogs were known in German as "Rottweiler Metzgerhund" , meaning Rottweil butchers' dogs, because their main use was to herd livestock and pull carts laden with butchered meat to market.  This continued until the mid-19th century when railways replaced droving.  Although still used to herd stock in many parts of the world, Rottweilers are now also used as search and rescue dogs, as guide dogs for the blind, as guard dogs and police dogs.
[PAR] [TLE] Police dog [ SEP ] A police dog , known in some English - speaking countries as a " K-9 " or " K9 " ( a homophone of " canine " ) , is a dog that is specifically trained to assist police and other law - enforcement personnel . Their duties include : searching for drugs and explosives , locating missing people , finding crime scene evidence , and protecting their handlers . Police dogs must remember several verbal cues and hand gestures . The most commonly used breeds are the German Shepherd , Belgian Malinois and Rottweiler . [PAR] [TLE] Rottweiler [ SEP ] The Rottweiler ( or , ) is a breed of domestic dog , regarded as medium - to - large or large . The dogs were known in German as " Rottweiler Metzgerhund " , meaning Rottweil butchers ' dogs , because their main use was to herd livestock and pull carts laden with butchered meat to market . This continued until the mid-19th century when railways replaced droving . Although still used to herd stock in many parts of the world , Rottweilers are now also used as search and rescue dogs , as guide dogs for the blind , as guard dogs and police dogs .
What was the original purpose of the medium to large sized German police dog?
What was the original purpose of the medium to large sized German police dog ?
to herd livestock and pull carts laden with butchered meat to market
to herd livestock and pull carts laden with butchered meat to market