90770
Historian Ervand Abrahamian observed that the MEK were " consciously influenced by Marxism , both modern and classical " , but they always denied being Marxists because they were aware that the term was colloquial to ' atheistic materialism ' among Iran 's general public .
 person: Ervand Abrahamian; organization: Marxism; organization: Marxists; location: Iran
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: Ervand Abrahamian, Marxism, Marxists, Iran 
Answer:
 person: Ervand Abrahamian; organization: Marxism; organization: Marxists; location: Iran