6351
The second plot was the disturbing examination of the scientific racism and racial classification movement that was considered an accepted fact by Scandinavian scientists from the early 19th century until the 1950s .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None