14443
Epitaxial silicon dots self - assembled on aluminum nitride / Si ( 111 ) .
 Chemical: silicon; Chemical: aluminum nitride; Chemical: Si ( 111 )
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: silicon, aluminum nitride, Si ( 111 ) 
Answer:
 Chemical: silicon; Chemical: aluminum nitride; Chemical: Si ( 111 )