id	keyword
ca-5809	ennore
ca-5809	fishermen
ca-5809	refusal
ca-5809	pandian
ca-5809	pollution
ca-5809	thozhil
ca-5809	velu
ca-5809	area
ca-5809	chennai
ca-5809	power
ca-5809	home
ca-5809	boat
ca-5809	uncertainty
ca-5809	city
ca-5809	industrial
ca-5809	river
ca-5809	chemical
ca-5809	catch
ca-5809	industrialization
ca-5809	residents