15980
We present results on parameterization of reactive force field [ van Duin , A . C . T . ; Dasgupta , S . ; Lorant , F . ; Goddard , W . A . ReaxFF : A Reactive Force Field for Hydrocarbons . J . Phys . Chem . A2001 , 105 , 9396 - 9409 ] for investigating the properties of the [ Nb6O19Hx ] ( ( 8 - x ) - ) Lindqvist polyoxoanion , x = 0 - 8 , in water .
 Chemical: Hydrocarbons; Chemical: [ Nb6O19Hx ] ( ( 8 - x ) - )
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: Hydrocarbons, [ Nb6O19Hx ] ( ( 8 - x ) - ) 
Answer:
 Chemical: Hydrocarbons; Chemical: [ Nb6O19Hx ] ( ( 8 - x ) - )