id	keyword
easat-3301	songs
easat-3301	period
easat-3301	yan'an
easat-3301	communist
easat-3301	chinese
easat-3301	people
easat-3301	party
easat-3301	ccp
easat-3301	revolution
easat-3301	literature
easat-3301	yan'an period
easat-3301	music