"laptop"	"expert"	"rating"
1	"expert1"	5
2	"expert1"	5
3	"expert1"	5
4	"expert1"	5
5	"expert1"	5
6	"expert1"	2
7	"expert1"	3
8	"expert1"	3
9	"expert1"	5
10	"expert1"	4
11	"expert1"	5
12	"expert1"	4
13	"expert1"	4
14	"expert1"	4
15	"expert1"	4
16	"expert1"	4
17	"expert1"	4
18	"expert1"	4
1	"expert2"	2
2	"expert2"	3
3	"expert2"	3
4	"expert2"	2
5	"expert2"	2
6	"expert2"	4
7	"expert2"	2
8	"expert2"	2
9	"expert2"	1
10	"expert2"	4
11	"expert2"	2
12	"expert2"	4
13	"expert2"	3
14	"expert2"	4
15	"expert2"	4
16	"expert2"	4
17	"expert2"	4
18	"expert2"	1
1	"expert3"	3
2	"expert3"	3
3	"expert3"	3
4	"expert3"	2
5	"expert3"	5
6	"expert3"	4
7	"expert3"	3
8	"expert3"	4
9	"expert3"	3
10	"expert3"	5
11	"expert3"	2
12	"expert3"	3
13	"expert3"	5
14	"expert3"	3
15	"expert3"	3
16	"expert3"	2
17	"expert3"	2
18	"expert3"	4
