31028
The closest international airport to Croydon is Gatwick Airport , which is located from the town centre .
 location: Croydon; location: Gatwick Airport
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: Croydon, Gatwick Airport 
Answer:
 location: Croydon; location: Gatwick Airport