9874
Three new aromatase inhibitors have recently completed phase III evaluation as treatment of metastatic breast cancer in post - menopausal women whose disease has progressed despite tamoxifen therapy : anastrozole ( ARIMIDEX , Zeneca ) , letrozole ( FEMARA , Novartis ) and vorozole ( RIVIZOR , Janssen ) .
 GENE: aromatase
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: aromatase 
Answer:
 GENE: aromatase