502
CONCLUSIONS : The combination of cisplatin and amifostine in this study resulted in an overall response rate of 16 % .
 Chemical: cisplatin; Chemical: amifostine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: cisplatin, amifostine 
Answer:
 Chemical: cisplatin; Chemical: amifostine