mall1	product1	level1	81
mall2	product1	level1	84
mall3	product1	level1	76
mall4	product1	level1	80
mall1	product2	level1	131
mall2	product2	level1	132
mall3	product2	level1	119
mall4	product2	level1	116
mall1	product3	level1	116
mall2	product3	level1	114
mall3	product3	level1	116
mall4	product3	level1	113
mall1	product4	level1	70
mall2	product4	level1	69
mall3	product4	level1	70
mall4	product4	level1	74
mall1	product5	level1	82
mall2	product5	level1	86
mall3	product5	level1	84
mall4	product5	level1	91
