57788
When Costa Mesa Speedway opened its doors in the summer of 1969 , it was at the height of the surfer craze in Southern California ; skateboarding , BMX and motocross were becoming popular with the state 's middle class .
 location: Costa Mesa
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: Costa Mesa 
Answer:
 location: Costa Mesa