12202
Several scientifically and technologically important classes of disordered low - Z materials such as small and large organic molecules , graphitic powders , polymers and liquids are intentionally explored to certify the technique ' s performance .
 Chemical: graphitic
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: graphitic 
Answer:
 Chemical: graphitic