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Primary pulmonary hypertension is a rare , progressive and incurable disease , which has been associated with the intake of appetite suppressant drugs .
 Disease: Primary pulmonary hypertension; Chemical: appetite suppressant
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: Primary pulmonary hypertension, appetite suppressant 
Answer:
 Disease: Primary pulmonary hypertension; Chemical: appetite suppressant