983
One , two or three doses of mesna were replaced with dexamethasone alone or with dexamethasone plus mesna .
 Chemical: mesna; Chemical: dexamethasone; Chemical: dexamethasone; Chemical: mesna
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: mesna, dexamethasone, dexamethasone, mesna 
Answer:
 Chemical: mesna; Chemical: dexamethasone; Chemical: dexamethasone; Chemical: mesna