y	husband	wife
1	7	never	never
2	7	never	fairly
3	2	never	very
4	3	never	always
5	2	fairly	never
6	8	fairly	fairly
7	3	fairly	very
8	7	fairly	always
9	1	very	never
10	5	very	fairly
11	4	very	very
12	9	very	always
13	2	always	never
14	8	always	fairly
15	9	always	very
16	14	always	always