mall1	product1	level1	85
mall2	product1	level1	86
mall3	product1	level1	86
mall4	product1	level1	88
mall1	product2	level1	77
mall2	product2	level1	71
mall3	product2	level1	81
mall4	product2	level1	74
mall1	product3	level1	106
mall2	product3	level1	101
mall3	product3	level1	90
mall4	product3	level1	93
mall1	product4	level1	127
mall2	product4	level1	107
mall3	product4	level1	125
mall4	product4	level1	119
mall1	product5	level1	122
mall2	product5	level1	122
mall3	product5	level1	115
mall4	product5	level1	130
