44591
The city anchors the Las Vegas Valley metropolitan area and is the largest city within the greater Mojave Desert .
 location: Las Vegas Valley; location: Mojave Desert
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: Las Vegas Valley, Mojave Desert 
Answer:
 location: Las Vegas Valley; location: Mojave Desert