36114
The 246 , 311 , 311A , 313 & 313A are operated by National Express West Midlands , whilst Diamond Bus operates the 313E & 399 .
 Midlands
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Midlands