3295
Sixty percent of the males developed breast changes or impotence while taking cimetidine and in all cases these changes disappeared when cimetidine was replaced by ranitidine .
 Disease: impotence; Chemical: cimetidine; Chemical: cimetidine; Chemical: ranitidine
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: impotence; Chemical: cimetidine; Chemical: cimetidine; Chemical: ranitidine