25801
Since that time , a large number of androgen deprivation therapies have been developed in an effort to cure this disease , but prostate cancer remains one of the leading causes of cancer death in males worldwide .
 Chemical: androgen
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: androgen 
Answer:
 Chemical: androgen