24884
Currently , determination of ED has become a major end - point in toxicology testing and the US - EPA has set up an elaborated testing paradigm to fulfill this requirement .
 None
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:  
Answer:
 None