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The counter - anion of the added Ca ( sulfate , chloride , or nitrate ) affected plant response ( percentage of root growth inhibition ) to Ni .
 Chemical: Ca; Chemical: sulfate; Chemical: chloride; Chemical: nitrate; Chemical: Ni
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Ca; Chemical: sulfate; Chemical: chloride; Chemical: nitrate; Chemical: Ni