1076
Estrogen replacement ( 17beta - estradiol subcutaneous pellet , 14 . 2 microg / day , 12 wk ) of Ovx rats restored the hemodynamic and locomotor effects of alpha - methyldopa to sham - operated levels .
 Chemical: 17beta - estradiol; Chemical: alpha - methyldopa
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: 17beta - estradiol, alpha - methyldopa 
Answer:
 Chemical: 17beta - estradiol; Chemical: alpha - methyldopa