Are there any metal buckets or benches?
Yes, there is a metal bench.
    src        edge_attr  dst
0     0          holding   11
1     0  to the right of    4
2     0   to the left of    2
3     0   to the left of    8
4     0  to the right of    7
5     1  to the right of    5
6     1  to the right of    4
7     1   to the left of    2
8     1  to the right of    7
9     1   to the left of    8
10    2  to the right of    0
11    2  to the right of    1
12    2  to the right of    5
13    4   to the left of   14
14    4   to the left of    1
15    4   to the left of    5
16    4  leaning against    9
17    4   to the left of    0
18    5   to the left of    8
19    5       sitting on    9
20    5  to the right of    4
21    5   to the left of    2
22    5        on top of    9
23    5  to the right of    7
24    5   to the left of    1
25    6  to the right of   11
26    7   sitting behind    9
27    7   to the left of    0
28    7   to the left of    5
29    7   to the left of   12
30    7   to the left of    1
31    7   to the left of   11
32    8  to the right of    0
33    8  to the right of    5
34    8  to the right of    1
35   10        on top of    3
36   11   to the left of    6
37   11  to the right of    7
38   11  to the right of   15
39   12  to the right of    7
40   14        on top of    3
41   14  to the right of    4
42   15   to the left of   11