mall1	product1	level1	84
mall2	product1	level1	83
mall1	product2	level1	102
mall2	product2	level1	87
mall1	product3	level1	103
mall2	product3	level1	102
mall1	product4	level1	111
mall2	product4	level1	121
mall1	product5	level1	53
mall2	product5	level1	57
mall1	product6	level1	44
mall2	product6	level1	46
mall1	product7	level1	52
mall2	product7	level1	58
mall1	product8	level1	79
mall2	product8	level1	77
mall1	product9	level1	52
mall2	product9	level1	42
mall1	product10	level1	127
mall2	product10	level1	128
