20480
Commercial airline service is provided out of Houston from William P. Hobby Airport and George Bush Intercontinental Airport , both in Houston .
 location: Houston; location: William P. Hobby Airport; location: George Bush Intercontinental Airport; location: Houston
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: Houston, William P. Hobby Airport, George Bush Intercontinental Airport, Houston 
Answer:
 location: Houston; location: William P. Hobby Airport; location: George Bush Intercontinental Airport; location: Houston