12355
While recent experimental literature indicates that the contact angle of water on graphite is in the range 90 - 95 degrees , it has been suggested that the contact angle on graphene may either be as high as 127 degrees or moderately enhanced in comparison with graphite .
 Chemical: graphite; Chemical: graphene; Chemical: graphite
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: graphite; Chemical: graphene; Chemical: graphite