mall1	product1	level1	103
mall2	product1	level1	89
mall3	product1	level1	94
mall4	product1	level1	106
mall1	product2	level1	138
mall2	product2	level1	136
mall3	product2	level1	151
mall4	product2	level1	134
mall1	product3	level1	59
mall2	product3	level1	49
mall3	product3	level1	58
mall4	product3	level1	58
mall1	product4	level1	133
mall2	product4	level1	130
mall3	product4	level1	129
mall4	product4	level1	124
mall1	product5	level1	79
mall2	product5	level1	73
mall3	product5	level1	69
mall4	product5	level1	79
