23253
This review summarizes the pharmacology of everolimus and reviews its efficacy and tolerability when administered in combination with exemestane in postmenopausal women with oestrogen receptor - positive , HER2 - negative advanced breast cancer refractory to nonsteroidal AIs .
 Chemical: everolimus; Chemical: exemestane; Chemical: oestrogen
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: everolimus, exemestane, oestrogen 
Answer:
 Chemical: everolimus; Chemical: exemestane; Chemical: oestrogen