id	keyword
grbs-21	herodotus
grbs-21	punishments
grbs-21	artayctes
grbs-21	histories
grbs-21	greek
grbs-21	supra
grbs-21	history
grbs-21	conclusion
grbs-21	cyrus
grbs-21	persian
grbs-21	son
grbs-21	xerxes
grbs-21	divine
grbs-21	revenge
grbs-21	artembares
grbs-21	human
grbs-21	darius