6207
Methyl mercury ( MeHg ) is one of the most hazardous contaminants in the environment , adversely affecting the health of wildlife and humans .
 Chemical: Methyl mercury; Chemical: MeHg
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: Methyl mercury; Chemical: MeHg