What is the container on?
The container is on the fence.
    src        edge_attr  dst
0     0   to the left of   14
1     0   to the left of   11
2     0   to the left of   12
3     2  to the right of   13
4     2               on    8
5     2   to the left of    7
6     2  to the right of    3
7     3   to the left of    5
8     3   to the left of   13
9     3   to the left of    9
10    3  to the right of   12
11    3   to the left of    2
12    3  to the right of   14
13    3   to the left of    7
14    3  to the right of    6
15    4  to the right of   11
16    5  to the right of   13
17    5  to the right of    9
18    5  to the right of    3
19    6  to the right of   10
20    6   to the left of    3
21    7  to the right of    2
22    7  to the right of    3
23    7  to the right of    9
24    7  to the right of   13
25    8      in front of   11
26    9   to the left of    5
27    9   to the left of    7
28    9  to the right of   13
29    9      eating from    2
30    9  to the right of    3
31   10   to the left of    6
32   11  to the right of    0
33   11           behind    8
34   11   to the left of    4
35   12   to the left of    3
36   12   to the left of   13
37   12  to the right of    0
38   13  to the right of   14
39   13   to the left of    5
40   13  to the right of    3
41   13   to the left of    2
42   13  to the right of   12
43   13   to the left of    9
44   13   to the left of    7
45   14   to the left of    3
46   14  to the right of    0
47   14   to the left of   13