6315
Continued absorption of amino acids by the NBB carrier ( for neutral amino acids ) , the Y + system ( for dibasic amino acids ) , and the PHE carrier were operative even during the actively purging stage of watery diarrhoea due to cholera .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None