181080
The first westerner to ascend the mountain was the English missionary and mountaineer , Walter Weston on August 19 , 1892 .
 person: Walter Weston
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: Walter Weston 
Answer:
 person: Walter Weston