7006
The western part of the region is drained by the Mahi River , while the Chambal River drains the central part , and the Betwa River and the headwaters of the Dhasan and Ken rivers drain the east .
 location: Mahi River; location: Chambal River; location: Betwa River; location: Dhasan; location: Ken
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Mahi River; location: Chambal River; location: Betwa River; location: Dhasan; location: Ken