What watercraft is on the water?
The watercraft is boats.
    src        edge_attr  dst
0     0  to the right of   11
1     1               on   16
2     1  to the right of    4
3     1  to the right of    9
4     3      in front of    6
5     4   to the left of    1
6     4  to the right of   12
7     4  to the right of    8
8     4   to the left of   16
9     4  to the right of   13
10    4               by    3
11    4  to the right of    5
12    5   to the left of    4
13    6           behind    3
14    8  to the right of   13
15    8   to the left of    4
16    9   to the left of   16
17    9  to the right of   13
18    9               of    4
19    9   to the left of    1
20    9  to the right of   12
21   10  to the right of   11
22   10               in    3
23   10               on    3
24   11   to the left of   10
25   11               on   12
26   11   to the left of    0
27   12   to the left of    4
28   12   to the left of    9
29   12  to the right of   13
30   12   to the left of   16
31   13   to the left of    9
32   13   to the left of   12
33   13   to the left of   15
34   13   to the left of    4
35   13   to the left of    8
36   15  to the right of   13
37   16  to the right of   12
38   16  to the right of    9
39   16  to the right of    4