mall1	product1	level1	55
mall2	product1	level1	47
mall3	product1	level1	55
mall4	product1	level1	53
mall1	product2	level1	110
mall2	product2	level1	107
mall3	product2	level1	122
mall4	product2	level1	121
mall1	product3	level1	107
mall2	product3	level1	104
mall3	product3	level1	99
mall4	product3	level1	96
mall1	product4	level1	54
mall2	product4	level1	58
mall3	product4	level1	57
mall4	product4	level1	64
mall1	product5	level1	130
mall2	product5	level1	147
mall3	product5	level1	134
mall4	product5	level1	132
