1213
The custom is traditionally said to have originated after the poet Qu Yuan committed suicide by drowning himself in the Miluo River and people raced out in boats hoping to save him , but most historians agree that the custom actually originated much earlier as a ritual to avert ill fortune .
 person: Qu Yuan; location: Miluo River
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:
 person: Qu Yuan; location: Miluo River