73435
The Sphinx Observatory , one of the highest astronomical observatories in the world , provides an additional viewing platform at a height of .
 location: Sphinx Observatory
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: Sphinx Observatory 
Answer:
 location: Sphinx Observatory