1670
A Durable Rebel Movement The Maoist insurgents are also known in India as Naxalites , after Naxalbari , the town north of Calcutta where an armed Communist rebellion first erupted 38 years ago .
 location contains: India, Naxalbari
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  India, Naxalbari 
Answer:
 location contains: India, Naxalbari