397
The three compounds vary in their affinities for sigma2 receptors and exhibit negligible affinities for dopamine , opioid , GABA ( A ) and NMDA receptors .
 Chemical: dopamine; Chemical: GABA; Chemical: NMDA
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: dopamine, GABA, NMDA 
Answer:
 Chemical: dopamine; Chemical: GABA; Chemical: NMDA