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Attendees of the early years often speak of the close-knit community that was attained during the convention , citing offbeat occurrences such as James Kochalka 's nude musical performance in 1998 and the annual pig roast / picnic .
 person: James Kochalka
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: James Kochalka 
Answer:
 person: James Kochalka