id	keyword
aeer-667	piasecki
aeer-667	polish
aeer-667	europe
aeer-667	games
aeer-667	physical
aeer-667	palant
aeer-667	plays
aeer-667	ball
aeer-667	education
aeer-667	poland
aeer-667	east
aeer-667	review
aeer-667	spring
aeer-667	world
aeer-667	anthropology
aeer-667	28(1
aeer-667	ritual