7246
Tone and mood are set by the composition of the panels , as during Riel 's trial when all tonal variation is dropped , and the white figures are placed against a heavy black background , which emphasizes the claustrophobic atmosphere .
 person: Riel
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: Riel 
Answer:
 person: Riel