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Ospemifene is the first non - estrogen treatment approved for moderate to severe dyspareunia in women with menopause - related vulvar and vaginal atrophy .
 Chemical: Ospemifene; Chemical: estrogen
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Ospemifene; Chemical: estrogen