29915
The results related to 20 % enzyme inhibition ( level used in the estimation of threshold limits for anticholinesterase compounds ) were below those acceptable daily intake values enacted by relevant national and international regulations .
 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