8734
While there has been growing interest in two - dimensional ( 2 - D ) crystals other than graphene , evaluating their potential usefulness for electronic applications is still in its infancy due to the lack of a complete picture of their performance potential .
 Chemical: graphene
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: graphene 
Answer:
 Chemical: graphene