24648
We evaluated the effect of prenatal methylmercury exposure on visual evoked potential ( VEP ) latencies in Faroese children with elevated prenatal methylmercury exposure .
 Chemical: methylmercury; Chemical: methylmercury
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: methylmercury, methylmercury 
Answer:
 Chemical: methylmercury; Chemical: methylmercury