2766
rSULT2A1 is more inducible than rSULT1A1 by methamphetamine in rat brain sections .
 Chemical: methamphetamine
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: methamphetamine 
Answer:
 Chemical: methamphetamine