mall1	product1	level1	53
mall2	product1	level1	50
mall3	product1	level1	60
mall4	product1	level1	55
mall1	product2	level1	94
mall2	product2	level1	93
mall3	product2	level1	95
mall4	product2	level1	83
mall1	product3	level1	60
mall2	product3	level1	66
mall3	product3	level1	55
mall4	product3	level1	64
mall1	product4	level1	59
mall2	product4	level1	53
mall3	product4	level1	52
mall4	product4	level1	54
mall1	product5	level1	41
mall2	product5	level1	42
mall3	product5	level1	46
mall4	product5	level1	46
