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The process for stiffening the felt used in making hats more than a hundred years ago involved mercury , which forms organic species such as methylmercury , which is lipid-soluble , and tends to accumulate in the brain , resulting in mercury poisoning .
 disease: mercury poisoning
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: mercury poisoning 
Answer:
 disease: mercury poisoning