Utilize the input text as a context reference, choose the right relationship between 'back on' and 'TOKYO' from the options.
Options: subsidiary, operator, location of formation, distribution format

TOKYO (Reuters) - Japan's economy shrank at an annualised pace of 1.6 percent in April-June as exports slumped and consumers cut back on spending, a bad omen for Prime Minister Shinzo Abe's policy drive to lift the economy out of decades of deflation.
location of formation