4887
All together , they indicate that aversive property of ethanol is dependent on ethanol action on alpha 2 - containing GABA ( A ) - R .
 Chemical: ethanol; Chemical: ethanol; Chemical: GABA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ethanol; Chemical: ethanol; Chemical: GABA