18862
Preclinical animal model findings have focused targeted drug treatment development in FXS on an imbalance between excessive glutamate and deficient gamma - aminobutyric acid ( GABA ) neurotransmission .
 Chemical: glutamate; Chemical: gamma - aminobutyric acid; Chemical: GABA
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: glutamate, gamma - aminobutyric acid, GABA 
Answer:
 Chemical: glutamate; Chemical: gamma - aminobutyric acid; Chemical: GABA