12331
Regarding gestational risk , 3 , 243 drugs used ( 34 % ) belonged to category A risk , 1 , 923 ( 22 . 6 % ) to category B , 3 , 798 ( 39 . 7 % ) to category C , 289 ( 3 . 0 % ) to category D , and 55 ( 0 . 6 % ) to category X .
 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