mall1	product1	level1	108
mall2	product1	level1	89
mall3	product1	level1	101
mall4	product1	level1	105
mall1	product2	level1	58
mall2	product2	level1	64
mall3	product2	level1	64
mall4	product2	level1	66
mall1	product3	level1	85
mall2	product3	level1	83
mall3	product3	level1	79
mall4	product3	level1	78
mall1	product4	level1	130
mall2	product4	level1	131
mall3	product4	level1	135
mall4	product4	level1	132
mall1	product5	level1	129
mall2	product5	level1	122
mall3	product5	level1	137
mall4	product5	level1	125
