18031
We also noticed that in premenopausal subjects with body mass index ( BMI ) less than 27 , background levels of E2 - 3 , 4 - Q - 2 - S - Alb was inversely proportional to BMI with about 25 % increase in E2 - 3 , 4 - Q - 2 - S - Alb per 5 kg / m ( 2 ) decrease in BMI ( p < 0 . 001 ) .
 Chemical: E2 - 3 , 4 - Q; Chemical: E2 - 3 , 4 - Q
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: E2 - 3 , 4 - Q, E2 - 3 , 4 - Q 
Answer:
 Chemical: E2 - 3 , 4 - Q; Chemical: E2 - 3 , 4 - Q