id	keyword
dlr-2773	clones
dlr-2773	hailsham
dlr-2773	courtesans
dlr-2773	kathy
dlr-2773	yoshiwara
dlr-2773	class
dlr-2773	students
dlr-2773	sloan
dlr-2773	system
dlr-2773	world
dlr-2773	ishiguro