15572
In the present study , the possible role of conversion of accumulated ammonia to glutamine and other free amino acids in the brain of three freshwater teleosts differing in their sensitivities to ammonia was investigated .
 Chemical: ammonia; Chemical: glutamine; Chemical: amino acids; Chemical: ammonia
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: ammonia, glutamine, amino acids, ammonia 
Answer:
 Chemical: ammonia; Chemical: glutamine; Chemical: amino acids; Chemical: ammonia