654
The nerve gas would then be neutralized with a caustic chemical .
 weapon: The nerve gas
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
 Entities: The nerve gas 
Answer:
 weapon: The nerve gas