1421
The current study aimed to assess the impact of MDMA use on three separate central executive processes ( set shifting , inhibition and memory updating ) and also on " prefrontal " mediated social and emotional judgement processes .
 Chemical: MDMA
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: MDMA 
Answer:
 Chemical: MDMA