17278
Certified values were 2 . 28 +/- 0 . 82 mg / kg for diazinon , 3 . 14 +/- 0 . 79 mg / kg for fenitrothion , 1 . 55 +/- 0 . 81 mg / kg for cypermethrin , and 2 . 81 +/- 0 . 70 mg / kg for permethrin .
 diazinon, fenitrothion, cypermethrin, permethrin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 diazinon, fenitrothion, cypermethrin, permethrin