16513
Nanoporous MnO frameworks with highly dispersed Co nanoparticles were produced from MnCO3 precursors prepared in a gel matrix .
 Chemical: MnO; Chemical: Co; Chemical: MnCO3
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: MnO, Co, MnCO3 
Answer:
 Chemical: MnO; Chemical: Co; Chemical: MnCO3