32192
In conjunction with his criticism of capitalism was Marx 's belief that the working class , due to its relationship to the means of production and numerical superiority under capitalism , would be the driving force behind the socialist revolution .
 person: Marx
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: Marx 
Answer:
 person: Marx