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Baddeley used this finding to postulate that one component of his model of working memory , the phonological loop , is capable of holding around 2 seconds of sound .
 person: Baddeley
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: Baddeley 
Answer:
 person: Baddeley