18457
Well - dispersed silver nanoparticles are embedded into pCBMA matrices .
 Chemical: silver; Chemical: pCBMA
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: silver, pCBMA 
Answer:
 Chemical: silver; Chemical: pCBMA