76
CONCLUSIONS : The combination of GEM and VNB is moderately active and well tolerated except in patients age > / = 75 years .
 Chemical: GEM; Chemical: VNB
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: GEM, VNB 
Answer:
 Chemical: GEM; Chemical: VNB