mall1	product1	level1	71
mall2	product1	level1	85
mall3	product1	level1	77
mall4	product1	level1	77
mall1	product2	level1	71
mall2	product2	level1	78
mall3	product2	level1	82
mall4	product2	level1	77
mall1	product3	level1	104
mall2	product3	level1	122
mall3	product3	level1	118
mall4	product3	level1	108
mall1	product4	level1	121
mall2	product4	level1	116
mall3	product4	level1	118
mall4	product4	level1	124
mall1	product5	level1	101
mall2	product5	level1	99
mall3	product5	level1	110
mall4	product5	level1	117
