15710
Nanocomposites consisting of SnO ( 2 ) and different carbonaceous supports , e . g . , amorphous carbon , carbon nanotubes , graphene , are also investigated .
 Chemical: SnO ( 2 ); Chemical: carbon; Chemical: carbon; Chemical: graphene
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: SnO ( 2 ); Chemical: carbon; Chemical: carbon; Chemical: graphene