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