mall1	product1	level1	63
mall2	product1	level1	62
mall3	product1	level1	69
mall4	product1	level1	68
mall1	product2	level1	99
mall2	product2	level1	107
mall3	product2	level1	100
mall4	product2	level1	112
mall1	product3	level1	101
mall2	product3	level1	110
mall3	product3	level1	117
mall4	product3	level1	103
mall1	product4	level1	72
mall2	product4	level1	76
mall3	product4	level1	73
mall4	product4	level1	74
mall1	product5	level1	113
mall2	product5	level1	103
mall3	product5	level1	95
mall4	product5	level1	114
