mall1	product1	level1	127
mall2	product1	level1	115
mall3	product1	level1	133
mall4	product1	level1	129
mall1	product2	level1	81
mall2	product2	level1	76
mall3	product2	level1	78
mall4	product2	level1	84
mall1	product3	level1	105
mall2	product3	level1	103
mall3	product3	level1	114
mall4	product3	level1	121
mall1	product4	level1	111
mall2	product4	level1	101
mall3	product4	level1	113
mall4	product4	level1	113
mall1	product5	level1	77
mall2	product5	level1	74
mall3	product5	level1	68
mall4	product5	level1	79
