16483
By deriving partition coefficients for organic carbon and dissolved organic carbon ( KOC and KDOC , respectively ) for eight pyrethroid insecticides from three formulated and five natural sediments , the authors characterized the differences between formulated and natural sediments in pesticide sorption .
 Chemical: carbon; Chemical: carbon; Chemical: pyrethroid
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: carbon, carbon, pyrethroid 
Answer:
 Chemical: carbon; Chemical: carbon; Chemical: pyrethroid