mall1	product1	level1	43
mall2	product1	level1	40
mall3	product1	level1	45
mall4	product1	level1	44
mall1	product2	level1	113
mall2	product2	level1	102
mall3	product2	level1	119
mall4	product2	level1	100
mall1	product3	level1	120
mall2	product3	level1	128
mall3	product3	level1	118
mall4	product3	level1	131
mall1	product4	level1	139
mall2	product4	level1	118
mall3	product4	level1	115
mall4	product4	level1	125
mall1	product5	level1	105
mall2	product5	level1	100
mall3	product5	level1	102
mall4	product5	level1	104
