854
17beta - Estradiol did not alter the onset of first clonus in ovariectomized rats but accelerated it in males .
 Chemical: 17beta - Estradiol
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 
Answer:
 Chemical: 17beta - Estradiol