1077
These findings suggest that estrogen downregulates alpha2 - but not I1 - receptor - mediated hypotension and highlight a role for the cardiac autonomic control in alpha - methyldopa - estrogen interaction .
 Chemical: estrogen; Disease: hypotension; Chemical: alpha - methyldopa; Chemical: estrogen
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: estrogen, hypotension, alpha - methyldopa, estrogen 
Answer:
 Chemical: estrogen; Disease: hypotension; Chemical: alpha - methyldopa; Chemical: estrogen