mall1	product1	level1	99
mall2	product1	level1	95
mall3	product1	level1	108
mall4	product1	level1	88
mall1	product2	level1	109
mall2	product2	level1	115
mall3	product2	level1	116
mall4	product2	level1	112
mall1	product3	level1	77
mall2	product3	level1	79
mall3	product3	level1	80
mall4	product3	level1	82
mall1	product4	level1	117
mall2	product4	level1	115
mall3	product4	level1	112
mall4	product4	level1	107
mall1	product5	level1	86
mall2	product5	level1	97
mall3	product5	level1	92
mall4	product5	level1	102
