mall1	product1	level1	115
mall2	product1	level1	102
mall3	product1	level1	99
mall4	product1	level1	114
mall1	product2	level1	108
mall2	product2	level1	110
mall3	product2	level1	107
mall4	product2	level1	102
mall1	product3	level1	57
mall2	product3	level1	58
mall3	product3	level1	62
mall4	product3	level1	61
mall1	product4	level1	155
mall2	product4	level1	137
mall3	product4	level1	154
mall4	product4	level1	141
mall1	product5	level1	75
mall2	product5	level1	78
mall3	product5	level1	77
mall4	product5	level1	71
