How many main islands are there in Japan?
4
2
2
2
2
2
4
2
4
2
4
3
5
2
4
3
5
2
4
3
5
2
4
3
5
2
4
3
5
2
4
3
5
6
2
4
3
5
6
2
4
3
5
6
2
7
4
3
5
6
2
7
4
3
5
1
6
2
7
4
3
5
1
6
2
7
4
3
5
1
6
2
7
4
3
5
1
8
58
6
2
7
4
3
5
1
9
8
6
7
4
58
3
5
1
9
8
6
7
4
3
5
1
9
58
8
6
7
4
3
5
1
9
8
58
6
7
4
3
5
1
9
8
6
7
58
ten
3
5
1
9
62
8
10
6
7
3
5
1
9
58
14
ten
8
10
62
6
7
1
9
14
8
10
58
6
ten
7
12
62
11
1
9
14
8
10
6
7
117
12
58
ten
11
1
9
62
14
13
8
10
6
67
7
12
11
117
78
1
9
58
24
14
ten
0
13