Assertion: greyhound racing | /r/HasProperty | characterized by several criteria
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text: Commercial greyhound racing is characterized by several criteria (varying depending on country) and can include legalized gambling, the existence of a regulatory structure, the physical presence of racetracks, whether the host state or subdivision shares in any gambling proceeds, fees charged by host locations, the use of professional racing kennels, the number of dogs participating in races, the existence of an official racing code, and membership in a greyhound racing federation or trade association.