What's the bench made of?
The bench is made of metal.
    src        edge_attr  dst
0     0   to the left of    9
1     0  to the right of    7
2     0  to the right of   11
3     0   to the left of   10
4     0   to the left of    4
5     0   to the left of    3
6     0   to the left of    6
7     0  to the right of    5
8     1   to the left of    6
9     1   to the left of    4
10    1   to the left of   10
11    1   to the left of    3
12    1   to the left of    2
13    2  to the right of    1
14    2  to the right of    5
15    3  to the right of   11
16    3  to the right of    0
17    3  to the right of    5
18    3  to the right of    1
19    4  to the right of    1
20    4  to the right of    5
21    4  to the right of    6
22    4  to the right of    7
23    4  to the right of    9
24    4  to the right of   11
25    4         carrying    3
26    4  to the right of    0
27    5   to the left of    3
28    5   to the left of    4
29    5   to the left of    0
30    5   to the left of    2
31    6  to the right of    7
32    6   to the left of    4
33    6  to the right of    1
34    6  to the right of    0
35    6   to the left of   10
36    6  to the right of    9
37    7   to the left of    9
38    7   to the left of    6
39    7   to the left of    4
40    7   to the left of    0
41    9   to the left of    6
42    9  to the right of    7
43    9  to the right of    0
44    9   to the left of    4
45    9   to the left of   10
46    9  to the right of   11
47   10  to the right of    6
48   10  to the right of    9
49   10  to the right of    0
50   10  to the right of    1
51   11   to the left of    3
52   11   to the left of    0
53   11   to the left of    9
54   11   to the left of    4