mall1	product1	level1	79
mall2	product1	level1	86
mall3	product1	level1	90
mall4	product1	level1	93
mall1	product2	level1	119
mall2	product2	level1	127
mall3	product2	level1	140
mall4	product2	level1	118
mall1	product3	level1	66
mall2	product3	level1	65
mall3	product3	level1	72
mall4	product3	level1	71
mall1	product4	level1	144
mall2	product4	level1	134
mall3	product4	level1	155
mall4	product4	level1	155
mall1	product5	level1	97
mall2	product5	level1	109
mall3	product5	level1	107
mall4	product5	level1	94
