15385
A growing body of evidence suggests that alterations in gamma - aminobutyric acid ( GABA ) interneuron neurotransmission may be associated with schizophrenia .
 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: gamma - aminobutyric acid, GABA 
Answer:
 Chemical: gamma - aminobutyric acid; Chemical: GABA