What does the container sit on?
The container sits on the ground.
    src        edge_attr  dst
0     0           inside    3
1     0  to the right of    1
2     0   to the left of    6
3     0  to the right of   10
4     1   to the left of    0
5     1   to the left of    3
6     1   to the left of    4
7     3          holding    5
8     3          holding    4
9     3      filled with    0
10    3       sitting on    7
11    3          holding    8
12    3  to the right of    1
13    3   to the left of    6
14    3          holding    0
15    3  to the right of   10
16    4           inside    3
17    4  to the right of    5
18    4   to the left of    6
19    4  to the right of    1
20    4   to the left of    8
21    4           inside    0
22    4  to the right of   10
23    5           inside    3
24    5   to the left of    4
25    5           inside    0
26    5   to the left of    8
27    6  to the right of    3
28    6  to the right of    4
29    6  to the right of    0
30    8           inside    3
31    8           inside    0
32    8  to the right of    4
33    8  to the right of    5
34   10   to the left of    4
35   10   to the left of    3
36   10   to the left of    0