What do you think is the watercraft in front of the ocean?
The watercraft is boats.
    src        edge_attr  dst
0     0   on the side of    2
1     0  to the right of   14
2     0  to the right of    1
3     1  to the right of   15
4     1  to the right of    7
5     1   to the left of    0
6     2  to the right of    7
7     2  to the right of   13
8     2  to the right of   15
9     2        on top of    8
10    2             near    9
11    3           behind   10
12    3            above    5
13    5  to the right of   10
14    6   to the left of   11
15    6        on top of    8
16    7        on top of    8
17    7   to the left of    2
18    7   to the left of    1
19    9          next to    2
20    9   to the left of   11
21   10   to the left of    5
22   11  to the right of    9
23   11  to the right of    6
24   12      in front of   15
25   13           inside    7
26   13   to the left of    2
27   14   to the left of   16
28   14   on the side of    2
29   14   to the left of    0
30   15   to the left of    2
31   15   to the left of    1
32   16  to the right of   14