mall1	product1	level1	119
mall2	product1	level1	105
mall3	product1	level1	107
mall4	product1	level1	114
mall1	product2	level1	118
mall2	product2	level1	124
mall3	product2	level1	122
mall4	product2	level1	117
mall1	product3	level1	138
mall2	product3	level1	130
mall3	product3	level1	150
mall4	product3	level1	134
mall1	product4	level1	134
mall2	product4	level1	135
mall3	product4	level1	122
mall4	product4	level1	119
mall1	product5	level1	118
mall2	product5	level1	116
mall3	product5	level1	118
mall4	product5	level1	115
