mall1	product1	level1	112
mall2	product1	level1	120
mall3	product1	level1	130
mall4	product1	level1	119
mall1	product2	level1	118
mall2	product2	level1	100
mall3	product2	level1	111
mall4	product2	level1	97
mall1	product3	level1	107
mall2	product3	level1	113
mall3	product3	level1	97
mall4	product3	level1	99
mall1	product4	level1	126
mall2	product4	level1	118
mall3	product4	level1	126
mall4	product4	level1	126
mall1	product5	level1	125
mall2	product5	level1	129
mall3	product5	level1	122
mall4	product5	level1	124
