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The mystery–drama ensemble film follows world-renowned detective Hercule Poirot , who seeks to solve a murder on the famous European train in the 1930 s .
 Hercule Poirot
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hercule Poirot