6315
In southmost Colorado is the large San Luis Valley , where the headwaters of the Rio Grande are located .
 location: Colorado; location: San Luis Valley; location: Rio Grande
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: Colorado, San Luis Valley, Rio Grande 
Answer:
 location: Colorado; location: San Luis Valley; location: Rio Grande