16324
The bioaccumulation and biomagnification of Hg and Se were investigated in Sarasota Bay , Florida , USA , to characterize the Hg exposure risks to wild bottlenose dolphins in the bay .
 Chemical: Hg; Chemical: Se; 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, Se, Hg 
Answer:
 Chemical: Hg; Chemical: Se; Chemical: Hg