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The results obtained with C60 impacts on the flat polymer are also compared to simulations of C60 and monoatomic Ga impacts on the NP .
 Chemical: C60; Chemical: C60; Chemical: Ga
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: C60, C60, Ga 
Answer:
 Chemical: C60; Chemical: C60; Chemical: Ga