id	keyword
grbs-10861	ships
grbs-10861	talents
grbs-10861	athens
grbs-10861	year
grbs-10861	cost
grbs-10861	navy
grbs-10861	thuc
grbs-10861	gomme
grbs-10861	number
grbs-10861	new
grbs-10861	perikles
grbs-10861	athenian
grbs-10861	fleet