104721
Back then , two greyhounds would be released at the same time in pursuit of the rabbit and the one that kills it is declared the winner of the game ; people typically placed bets on which dog would be the victor .
 animal: greyhounds
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: greyhounds 
Answer:
 animal: greyhounds