28819
Objective : A commonly available Electric Mosquito - Repellent Liquid pyrethroid insecticide containing prallethrin 1 . 6 % w / w is widely used for mosquito control in Saudi Arabia .
 Chemical: pyrethroid; Chemical: prallethrin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: pyrethroid; Chemical: prallethrin