1242
Thirty - three children after dexamethasone treatment were matched to 33 children without dexamethasone treatment .
 Chemical: dexamethasone; Chemical: dexamethasone
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: dexamethasone, dexamethasone 
Answer:
 Chemical: dexamethasone; Chemical: dexamethasone