80561
The pods in which the machines keep humans have been compared to images in " Metropolis " , and the work of M. C. Escher .
 person: M. C. Escher
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: M. C. Escher 
Answer:
 person: M. C. Escher