mall1	product1	level1	84
mall2	product1	level1	93
mall3	product1	level1	84
mall4	product1	level1	102
mall1	product2	level1	155
mall2	product2	level1	135
mall3	product2	level1	128
mall4	product2	level1	138
mall1	product3	level1	126
mall2	product3	level1	116
mall3	product3	level1	124
mall4	product3	level1	124
mall1	product4	level1	69
mall2	product4	level1	59
mall3	product4	level1	68
mall4	product4	level1	59
mall1	product5	level1	77
mall2	product5	level1	90
mall3	product5	level1	81
mall4	product5	level1	78
