857
These findings suggest that the effects of estradiol on seizure threshold and damage may be altered by sex - related differences in the hormonal environment .
 Chemical: estradiol; Disease: seizure
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: estradiol, seizure 
Answer:
 Chemical: estradiol; Disease: seizure