1005
The two buses collided head on at 5 o'clock this morning on the road between the towns of Rousse and Veliko Tarnovo , police said .
 Rousse, Veliko Tarnovo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Rousse, Veliko Tarnovo