mall1	product1	level1	91
mall2	product1	level1	85
mall1	product2	level1	78
mall2	product2	level1	78
mall1	product3	level1	67
mall2	product3	level1	66
mall1	product4	level1	91
mall2	product4	level1	100
mall1	product5	level1	56
mall2	product5	level1	50
mall1	product6	level1	53
mall2	product6	level1	57
mall1	product7	level1	125
mall2	product7	level1	143
mall1	product8	level1	125
mall2	product8	level1	114
mall1	product9	level1	137
mall2	product9	level1	155
mall1	product10	level1	63
mall2	product10	level1	58
