16843
In this study , human liver bank samples were phenotyped for acetaminophen glucuronidation activity and genotyped for the major acetaminophen - glucuronidating enzymes ( UGTs 1A1 , 1A6 , 1A9 , and 2B15 ) .
 Chemical: acetaminophen; Chemical: acetaminophen
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: acetaminophen, acetaminophen 
Answer:
 Chemical: acetaminophen; Chemical: acetaminophen