301
Our aim was to characterize both lines ' sensitivities to various physiological effects of other ligands of the GABA ( A ) receptor .
 Chemical: GABA
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: GABA 
Answer:
 Chemical: GABA