How many oceans are there in the world?
4
2
2
4
2
4
2
3
4
2
3
4
2
3
4
2
3
4
2
3
4
2
3
4
2
3
4
2
3
4
2
5
3
4
2
5
3
4
2
5
3
4
2
5
3
4
2
5
3
4
2
5
1
3
4
7
2
5
1
3
4
7
2
8
5
1
3
4
7
2
8
5
1
3
4
7
8
5
1
3
4
7
8
5
1
3
7
8
5
1
3
7
8
5
1
7
8
5
1
7
8
6
5
1
7
0
8
6
5
1
7
8
6
5
1
0
7
8
6
5
1
0
7
8
6
5
1
7
0
8
6
5
1
7
9
8
6
1
0
7
14
9
8
6
1
0
7
14
9
8
6
1
7
14
9
0
8
6
1
ten
7
14
9
8
6
1
0
7
14
ten
9
8
6
121
0
21
14
9
8
6
ten
11
12
21
265
61
13
14
9
121
0
6
2+
11
12
ten
21
13
14
9
265