1604
SRL was started at a mean of 78 + / - 42 ( 15 to 163 ) months after transplantation .
 Chemical: SRL
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: SRL 
Answer:
 Chemical: SRL