5017
It joins the Prairie Dog Town Fork of the Red River at the Texas-Oklahoma border about northeast of Vernon , Texas .
 organization: Prairie Dog Town Fork of the Red River; location: Vernon , Texas
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:
 organization: Prairie Dog Town Fork of the Red River; location: Vernon , Texas