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Significant correlations of Mg with Zn in eclampsia and Mg with Fe in preeclampsia and eclampsia were predicted .
 Chemical: Mg; Chemical: Zn; Chemical: Mg; Chemical: Fe
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: Mg, Zn, Mg, Fe 
Answer:
 Chemical: Mg; Chemical: Zn; Chemical: Mg; Chemical: Fe