mall1	product1	level1	46
mall2	product1	level1	50
mall3	product1	level1	50
mall4	product1	level1	45
mall1	product2	level1	115
mall2	product2	level1	104
mall3	product2	level1	121
mall4	product2	level1	102
mall1	product3	level1	122
mall2	product3	level1	130
mall3	product3	level1	120
mall4	product3	level1	133
mall1	product4	level1	141
mall2	product4	level1	120
mall3	product4	level1	117
mall4	product4	level1	127
mall1	product5	level1	107
mall2	product5	level1	102
mall3	product5	level1	104
mall4	product5	level1	106
