4471
Prevention of breast cancer with tamoxifen : preliminary findings from the Italian randomised trial among hysterectomised women .
 Disease: breast cancer; Chemical: tamoxifen
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:
 Disease: breast cancer; Chemical: tamoxifen