15122
Exposure to lambda - cyhalothrin , a synthetic pyrethroid , increases reactive oxygen species production and induces genotoxicity in rat peripheral blood .
 Chemical: lambda - cyhalothrin; Chemical: pyrethroid; Chemical: oxygen
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: lambda - cyhalothrin; Chemical: pyrethroid; Chemical: oxygen