id	keyword
cana-1060	t t
cana-1060	m t
cana-1060	− −
cana-1060	p t
cana-1060	inventory
cana-1060	d t
cana-1060	demand
cana-1060	d d
cana-1060	payment
cana-1060	time
cana-1060	cost
cana-1060	model
cana-1060	bp t