Task: Text Categorization
Input (English): Question: Graphite: 
 Options:  <0> It gives intercalation compounds with fluorine. <1> Reacts with sodium to give a covalent compound with C ̶ Na bond. <2> Reacts with sodium to give intercalation compounds that have the same distance between layers that pure graphite had. <3> Reacts with sodium to give intercalation compounds that are better electrical conductors than pure graphite. <4> It gives covalent compounds with bromine with C ̶ Br bond.
Output (English): chemistry