What is the relationship between Indian railways and India in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

“In most places when you say Indian railways in India it is the most impressive thing I have seen in my life,” he said noting that there are 7,500 stations and the total track length is 3.5 times the distance to the moon and back.

Answer: location_of_formation