12003
Alkali metals react with halogen derivatives to generate hydrocarbon via the Wurtz reaction .
 person: Wurtz
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Wurtz 
Answer:
 person: Wurtz