5169
Influence of ovarian and non - ovarian estrogens on weight gain in response to disruption of sweet taste - - calorie relations in female rats .
 Chemical: estrogens
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: estrogens 
Answer:
 Chemical: estrogens