6384
The complete distribution of surface and bulk silanols , and of isolated , geminal and vicinal silanols for all these materials is presented .
 Chemical: silanols; Chemical: geminal and vicinal silanols
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: silanols, geminal and vicinal silanols 
Answer:
 Chemical: silanols; Chemical: geminal and vicinal silanols