a	/location/statistical_region/gni_per_capita_in_ppp_dollars./measurement_unit/dated_money_value/currency	b
b	/location/statistical_region/places_exported_to./location/imports_and_exports/exported_to	a
a	/location/statistical_region/gni_per_capita_in_ppp_dollars./measurement_unit/dated_money_value/currency	b
b	/location/statistical_region/places_exported_to./location/imports_and_exports/exported_to	c
