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These results also indicate that Cu toxicity may involve both Na loss and LPO , and that Cu - acclimation may be brought about by prevention of these effects .
 Chemical: Cu; Chemical: Na; Chemical: Cu
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: Cu, Na, Cu 
Answer:
 Chemical: Cu; Chemical: Na; Chemical: Cu