218997
In those days , the river created havoc by flooding in the lowland areas in the present Nagaon and Morigaon districts during the rainy season , as it received water not only from the smaller streams , but also from the overflowing Brahamaputra .
 Nagaon, Morigaon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nagaon, Morigaon