1565
Both Hg - and resin - based materials have been shown to be released into the buccal cavity and to be spread systemically .
 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 
Answer:
 Chemical: Hg