Are there both a boat and a buoy in this scene?
No, there is a buoy but no boats.
    src        edge_attr  dst
0     1   to the left of    9
1     2               in    1
2     2  to the right of    9
3     3  to the right of    7
4     3  to the right of    6
5     6   to the left of    3
6     6  to the right of    7
7     7               on   22
8     7   to the left of    6
9     7   to the left of    3
10    8   to the left of   18
11    9           behind   19
12    9   to the left of    2
13    9  to the right of    1
14   10  to the right of   13
15   10  to the right of   11
16   10   to the left of   23
17   10   to the left of   17
18   11   to the left of   10
19   12  to the right of   17
20   13   to the left of   10
21   14  to the right of   15
22   15   to the left of   14
23   17  to the right of   10
24   17   to the left of   12
25   18  to the right of    8
26   19      in front of    9
27   22               on   19
28   22  to the right of   23
29   23   to the left of   22
30   23  to the right of   10