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Furthermore , As , Cd , Cu , Hg , and Pb contents in mollusks and crustacean samples were below the Food and Agricultural Organization ( FAO ) safe concentrations , thus there was no obvious health risk from the intake of the metals through marine mollusks and crustaceans consumption .
 Chemical: As; Chemical: Cd; Chemical: Cu; Chemical: Hg; Chemical: Pb
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: As, Cd, Cu, Hg, Pb 
Answer:
 Chemical: As; Chemical: Cd; Chemical: Cu; Chemical: Hg; Chemical: Pb