How many main islands does Japan have?
5
2
2
2
2
2
2
4
2
4
2
4
2
3
5
4
2
3
5
4
2
3
5
4
2
3
5
4
2
3
5
4
2
3
5
4
2
3
5
4
2
3
58
6
5
4
2
3
6
58
5
4
2
3
6
5
4
7
58
2
3
6
1
5
4
7
2
3
58
6
1
5
4
7
3
6
1
58
5
4
7
3
6
1
5
4
7
58
3
62
6
1
5
4
7
3
8
58
ten
6
1
5
4
62
9
7
3
8
6
1
58
5
4
ten
9
7
62
3
8
6
1
5
9
7
58
ten
3
24
8
62
78
117
67
6
14
1
5
9
7
69
3
24
8
58
10
ten
6
14
1
5
76
62
78
9
7
117
67
12
24
8
10
69
6
14
1
58
94
ten
9
7
12
11
76
62
78
117
67
24
8
10
96
6
14
1
9
7
12
69
11
58
ten
24
61
8
76