46450
Similarly , a study done in Japan showed that the introduction of both largemouth bass and bluegill into farm ponds have caused increases in the numbers of benthic organisms , resulting from the predation on fishes , crustaceans , and nymphal odonates by the bass .
 location: Japan
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Japan 
Answer:
 location: Japan