16557
These facts along with visual observations indicate the possibility of [ DEME ] [ BF4 ] serving as a superpressurized glass .
 Chemical: [ DEME ] [ BF4 ]
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: [ DEME ] [ BF4 ]