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Mannitol is the primary ingredient of mannitol salt agar , a bacterial growth medium , and is used in others .
 food: mannitol salt agar
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: mannitol salt agar 
Answer:
 food: mannitol salt agar