10848
The NMR results are corroborated by both DFT calculations and MD simulations , where the quantitative information on different ways of involvement of fluorine in two and three centered hydrogen bonds , their percentage of occurrences , and geometries have been obtained .
 Chemical: fluorine; Chemical: hydrogen
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: fluorine, hydrogen 
Answer:
 Chemical: fluorine; Chemical: hydrogen