id	keyword
anthro_age-159	retirement
anthro_age-159	life
anthro_age-159	self
anthro_age-159	japan
anthro_age-159	home
anthro_age-159	new
anthro_age-159	kenji
anthro_age-159	wife
anthro_age-159	work
anthro_age-159	reliance
anthro_age-159	aging
anthro_age-159	responsibility
anthro_age-159	people
anthro_age-159	family
anthro_age-159	keiko
anthro_age-159	online
anthro_age-159	doi
anthro_age-159	anthropology
anthro_age-159	vol