mall1	product1	level1	134
mall2	product1	level1	114
mall3	product1	level1	129
mall4	product1	level1	138
mall1	product2	level1	110
mall2	product2	level1	101
mall3	product2	level1	112
mall4	product2	level1	111
mall1	product3	level1	106
mall2	product3	level1	108
mall3	product3	level1	109
mall4	product3	level1	121
mall1	product4	level1	91
mall2	product4	level1	91
mall3	product4	level1	89
mall4	product4	level1	86
mall1	product5	level1	65
mall2	product5	level1	73
mall3	product5	level1	68
mall4	product5	level1	73
