mall1	product1	level1	60
mall2	product1	level1	62
mall3	product1	level1	57
mall4	product1	level1	55
mall1	product2	level1	65
mall2	product2	level1	56
mall3	product2	level1	62
mall4	product2	level1	61
mall1	product3	level1	62
mall2	product3	level1	64
mall3	product3	level1	65
mall4	product3	level1	67
mall1	product4	level1	74
mall2	product4	level1	66
mall3	product4	level1	72
mall4	product4	level1	61
mall1	product5	level1	72
mall2	product5	level1	71
mall3	product5	level1	78
mall4	product5	level1	77
