4435
The estimated daily intake of Hg via different food types showed that both fish and cereal consumption were the two main routes of Hg exposure for residents in the sampling areas .
 Chemical: Hg; Chemical: Hg
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: Hg, Hg 
Answer:
 Chemical: Hg; Chemical: Hg