27993
In order to lessen the difficulty of drilling at such a remote location and transporting the oil to the lower 48 states , the oil companies proposed building a pipeline to carry the oil across Alaska to the port of Valdez At Valdez , the oil would be loaded onto tankers and shipped to the contiguous states .
 location: Alaska; location: Valdez; location: Valdez
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: Alaska, Valdez, Valdez 
Answer:
 location: Alaska; location: Valdez; location: Valdez