22080
The test material contained total anthraquinones at < 0 . 1parts per million .
 Chemical: anthraquinones
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: anthraquinones 
Answer:
 Chemical: anthraquinones