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Alendronate , a biphosphonate , is effective for both the treatment and prevention of osteoporosis in postmenopausal women .
 Chemical: Alendronate; Chemical: biphosphonate; Disease: osteoporosis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: Alendronate; Chemical: biphosphonate; Disease: osteoporosis