id	keyword
cuesj-323	vehicle
cuesj-323	problem
cuesj-323	time
cuesj-323	agent
cuesj-323	breakdown
cuesj-323	routing
cuesj-323	vol
cuesj-323	figure
cuesj-323	customers
cuesj-323	approach
cuesj-323	orders
cuesj-323	abm