mall1	product1	level1	58
mall2	product1	level1	64
mall3	product1	level1	53
mall4	product1	level1	55
mall1	product2	level1	70
mall2	product2	level1	77
mall3	product2	level1	76
mall4	product2	level1	79
mall1	product3	level1	99
mall2	product3	level1	107
mall3	product3	level1	100
mall4	product3	level1	112
mall1	product4	level1	101
mall2	product4	level1	110
mall3	product4	level1	117
mall4	product4	level1	103
mall1	product5	level1	71
mall2	product5	level1	75
mall3	product5	level1	72
mall4	product5	level1	73
