31600
On August 22 , 2011 , a 5.3 magnitude earthquake occurred west-southwest of the city of Trinidad .
 location: Trinidad
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: Trinidad 
Answer:
 location: Trinidad