29910
A total of 60 mice were randomly assigned to six experimental groups : control , model , dexamethasone ( 2mg / kg ) and GA ( 10mg / kg , 20mg / kg , 40mg / kg ) .
 Chemical: dexamethasone
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: dexamethasone 
Answer:
 Chemical: dexamethasone