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The nursing staff , by reviewing the patient ' s health history with his family , discovered a history of polydipsia and long - standing lithium use .
 Disease: polydipsia; Chemical: lithium
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: polydipsia; Chemical: lithium