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Both plant samples showed differences in the mineral and trace element profiles , but the minerals calcium , magnesium and potassium were present in the highest concentration .
 Chemical: calcium; Chemical: magnesium; Chemical: potassium
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: calcium, magnesium, potassium 
Answer:
 Chemical: calcium; Chemical: magnesium; Chemical: potassium