id	keyword
ajiri-4371	materials
ajiri-4371	video
ajiri-4371	drrr
ajiri-4371	learning
ajiri-4371	disaster
ajiri-4371	education
ajiri-4371	teachers
ajiri-4371	students
ajiri-4371	high
ajiri-4371	study
ajiri-4371	school
ajiri-4371	satisfactory
ajiri-4371	research