mall1	product1	level1	56
mall2	product1	level1	51
mall3	product1	level1	57
mall4	product1	level1	49
mall1	product2	level1	108
mall2	product2	level1	97
mall3	product2	level1	107
mall4	product2	level1	98
mall1	product3	level1	116
mall2	product3	level1	120
mall3	product3	level1	114
mall4	product3	level1	133
mall1	product4	level1	95
mall2	product4	level1	96
mall3	product4	level1	95
mall4	product4	level1	97
mall1	product5	level1	48
mall2	product5	level1	53
mall3	product5	level1	48
mall4	product5	level1	57
