13245
The light delivered by artificial illumination systems , and in particular by halogen quartz bulbs , contains UVA , UVB , and UVC radiation , is genotoxic to both bacterial and human cells and is potently carcinogenic to hairless mice .
 Chemical: halogen; Chemical: quartz
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: halogen; Chemical: quartz