id	keyword
caste-2578	caste
caste-2578	cinnamon
caste-2578	system
caste-2578	caste system
caste-2578	sinhala
caste-2578	sinhala caste
caste-2578	sri
caste-2578	industry
caste-2578	lanka
caste-2578	cinnamon industry
caste-2578	multispecies
caste-2578	plant
caste-2578	human
caste-2578	salagama
caste-2578	knowledge
caste-2578	society
caste-2578	salagama caste
caste-2578	sri lanka
caste-2578	ceylon
caste-2578	approach
caste-2578	foraging
caste-2578	silva