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Although paralysis after magnesium administration has been described in patients with known myasthenia gravis , it has not previously been reported to be the initial or only manifestation of the disease .
 Disease: paralysis; Chemical: magnesium; Disease: myasthenia gravis
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: paralysis, magnesium, myasthenia gravis 
Answer:
 Disease: paralysis; Chemical: magnesium; Disease: myasthenia gravis