mall1	product1	level1	67
mall1	product2	level1	97
mall1	product3	level1	90
mall1	product4	level1	67
mall1	product5	level1	113
mall1	product6	level1	48
mall1	product7	level1	52
mall1	product8	level1	90
mall1	product9	level1	89
mall1	product10	level1	77
