Are there any metallic benches?
No, there is a bench but it is wooden.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of    6
2     1  to the right of    7
3     1  to the right of    0
4     3       hanging on    6
5     3  to the right of    8
6     3   to the left of    4
7     4  to the right of    8
8     4  to the right of    6
9     4  to the right of    3
10    5        on top of    0
11    6   to the left of    1
12    6   to the left of    4
13    7   to the left of    1
14    8   to the left of    3
15    8   to the left of    4